Using the Standard Normal Distribution. D Exercises 9-28. assume tha.pdf

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Using the Standard Normal Distribution. D Exercises 9-28. assume that the readings on the thermoneters are nomally listributed with a mean ofO and a standard deviation of l.00C.A themometeris randoily selected and tested. In each case, draw a sketch, and find the probability ofeach reaing in degrees. 9. Less tan 0,25 11. Less tan 0.25 13. Greater than 2.33 15. Greater than -2.33 17. Between 0.50 and 1.50 19. Between 2.00 and 1.00 21. Between -2.67 and 1.28 23. Between-0.52 and3.75 25. Greater than 3.57 27. Greater than 0 10. Less than 2.75 12. Less than 2.75 14. Greater than 1.96 16. Grcater than-1.96 18. Between 1.50 and 2.50 20. Between 2.00 and 2.34 22. Between1.18 and 2.15 24. Between 3.88 and 1.07 26. Less than -3.61 28. Less tan 0.

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using the code below write the public V add(K key, V value); that adds a new entry into hashtable if the table (hashTable[index] != null) && (hashTable[index] != AVAILABLE if the key is the same as keyindex inside the hash replace the old value with the new value if the key is different from the keyindex go to the next index and count for collisions until will you find a null space inside the hashtable index import java.util.Iterator; public interface DictionaryInterface { /** Adds a new entry to this dictionary. If the given search key already exists in the dictionary, replaces the corresponding value. @param key An object search key of the new entry. @param value An object associated with the search key. @return Either null if the new entry was added to the dictionary or the value that was associated with key if that value was replaced. */ public V add(K key, V value); /** Removes a specific entry from this dictionary. @param key An object search key of the entry to be removed. @return Either the value that was associated with the search key or null if no such object exists. */ public V remove(K key); /** Retrieves from this dictionary the value associated with a given search key. @param key An object search key of the entry to be retrieved. @return Either the value that is associated with the search key or null if no such object exists. */ public V getValue(K key); /** Sees whether a specific entry is in this dictionary. @param key An object search key of the desired entry. @return True if key is associated with an entry in the dictionary. */ public boolean contains(K key); /** Creates an iterator that traverses all search keys in this dictionary. @return An iterator that provides sequential access to the search keys in the dictionary. */ public Iterator getKeyIterator(); /** Creates an iterator that traverses all values in this dictionary. @return An iterator that provides sequential access to the values in this dictionary. */ public Iterator getValueIterator(); /** Sees whether this dictionary is empty. @return True if the dictionary is empty. */ public boolean isEmpty(); /** Gets the size of this dictionary. @return The number of entries (key-value pairs) currently in the dictionary. */ public int getSize(); /** Removes all entries from this dictionary. */ public void clear(); } // end DictionaryInterface import java.util.Iterator; import java.util.NoSuchElementException; /** * A class that implements the ADT dictionary by using hashing and * linear probing to resolve collisions. * The dictionary is unsorted and has distinct search key. Search keys and associated values are not null. */ public class HashedDictionary implements DictionaryInterface { // The dictionary: private int numberOfEntries; private static final int DEFAULT_CAPACITY = 5; // Must be prime private static final int MAX_CAPACITY = 10000; // The hash table: private Entry[] hashTable; private int tableSize; // Must be prime private static final int MAX_SIZE = 2 * MAX_CAPA.

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Using the Ceasar Cipher encryption algorithm, you take each character in the original message and shift it over a specified number of characters in the alphabet. If you shift the character A by one space, you get the character B. If you shift the character A by two spaces, you get the character C. The figure below shows some characters shifted by 3 spaces (A becomes C, B becomes D, C become E, D becomes F, etc). The number of letters to shift the characters in your message is called the encryption key. If we want to send the message hello using a key of 3, then we can create the encrypted message like this: h shifted 3 is k e shifted 3 is h l shifted 3 is o l shifted 3 is o o shifted 3 is r So our encrypted message would be khoor. Think about how to create a program that will perform the Ceasar Cipher on a text message that is entered by the user. The user will also enter the integer key that should be used for the encryption. Your program should display the encrypted message at the end of the program. (HINT: In the processing step, youll repeatedly use the shift algorithm on each character in the message. Try to write the processing step so that it has a format similar to the way a loop looks in Python, but dont worry about the details of how to perform the shift algorithm yet. Just note Use Shift Algorithm to find character.) Now lets learn how to implement the shift algorithm to calculate the encrypted value of that character. First lets learn about how to convert a letter to its equivalent ASCII value. Even when data is represented as character for humans, the computer likes to think of the characters as numbers. The computer doesnt think about the character a as a letter. Instead it assigns a number to each character and thinks about characters using their corresponding number. The most common character to number translation used by a computer is called ASCII (which stands for American Standard Code for Information Interchange). Heres a table that shows the ASCII value for most characters. Table 14-1: The ASCII Table The good news is that you dont need to memorize the table. The computer already knows all about how to translate a character into its ASCII value. We just need to know the command to perform this translation. To tell the computer that you want to use the ASCII value of a character, you use the ord( ) function to type cast the character value into an ordinal data type (which is an ASCII value). EX: character = input(Enter a character) asciiEquivalent = ord(character) print(The ASCII value of , character, is , asciiEquivalent) Write a Python program that just includes these 3 lines to test out the conversion process for yourself. Do you always get the ASCII value shown for the characters in the table above? (Its a good sign if you do!) Now lets think about how to use the ASCII value to achieve our Caesar Cipher shift. If we have the ASCII value of a character, we can add the key to that value to find the ASCII value of the enc.

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Using the accidentdata dataset: how to conduct a comprehensive EDA (exploratory data analysis) of your dataset. What types of car accidents occur in your town? What factors seems to be involved (type of route, weather, school bus related ect). How severe are the types of accidents in your town. Are there any notable temporal factors (accidents are increasing/decreasing over time? Accidents occur more often at what time of the day ect?). Put yourself in the shoes of a local government analyst or consultant hired to conduct a review of car accidents in the town. part 2 Display your analysis using ggplot2, plotly and DT in flexdashboard. Be sure to label your graphs professionally..

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We aim to upgrade the function insert of the class orderedLinkedList in your lecture slides by adding a code that checks if the item to be inserted is already in the list, if yes it returns a warning message to the user, without making any changes on the list, otherwise the function executes normally. Q1: Rewrite the definition of the function insert with the new updates. Q2: Write a main program to test your function. c++ language please please make it correct.

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Warren Buffy is an enormously wealthy investor who has built his fortune through his legendary investing acumen. He currently has been offered three major investments and he would like to choose one. The first one is a conservative investment that would perform very well in an improving economy and only suffer asmall loss in a worsening economy. The second is a speculative investment that would perform extremely well in an improving economy but would do very badly in a worsening economy. The third is a countercyclical investment that would lose some money in an improving economy but would perform well in a worsening economy. Warren believes that there are three possible scenarii over the lives of those potential investments: (1) an improving economy, (2) a stable economy, and (3) a worsening economy He is pessimistic about where the economy is headed, and so has assigned probabilities of 0.1, 0.5 and 0.4, respectively, to these three scenarii. He also estimates that his profits under these respective scenarios are those given by the following table: Estimated profit in millions of dollars Improving Economy Stable EconomyWorsening Economy Conservative investment 30 5 -10 Speculative investment 40 10 - 30 Counter cyclical investment -10 0 15 Probability 0.1 0.5 0.4 Which investment should Warren make under each of the following criteria minimax regret (savage) criterion?.

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