Homework Answers

Consider the data X = (58,59,63,60,60,63,60,57,58,59). An unbiased estimation for population variance would be

A normal distribution which has a mean of 50 and standard deviation of 7 is takeninto consideration. 68% of the distribution can be found between what two numbers? a. 40 and 60 b. 0 and 43 c. 0 and 68 d. 43 and 57

Suppose you are taking a multiple-choice test with 4 choices for each question. In answering a question on this test, the probability that you know the answer is 0.33. If you don’t know the answer, you choose one at random. What is the probability that you knew the answer to a question, given that you answered it correctly

There are 13 men and 12 women in a ballroom dancing class. If 6 men and 6 women are chosen and paired off, how many pairings are possible

There are 3 arrangements of the word DAD, namely DAD, ADD, and DDA. How many arrangements are there of the word ENDURINGLY? 

you cannot use built-in functions or NumPy or Pandas!

1. Write a function which finds all Pythagorean triplets of triangles whose sides are no greater than a natural number N.

2. Given a list of integers, write a function that finds the smallest and the largest value of this list. Given a list of numbers, write a function which finds their standard deviation

We have two lists. L1 = ['Coffee', 'Tea'] L2 = ['Hot', 'Ice']. Using a nested while loop compute the following output: Coffee * Hot * Ice Tea * Hot * Ice

Java socket related classes to create a dictionary client To get familiar with the socket library in Java,

·    Requesting, receiving, parsing and returning a list of matching strategies supported by the server. The protocol allows a client to retrieve a list of matches (suggestions) based on a keyword, and the strategy is used to indicate how these keywords are used to present actual dictionary entries. Examples include prefix matches (all words that start with a prefix), regular expressions, entries with similar sounding words, etc. In the interface, the user will have the option of selecting a specific strategy for matching, with prefix match being the default.

·    Requesting, receiving, parsing and returning a list of matches based on a keyword, a matching strategy and a database. This list of matches will be used in the interface to suggest entries as they type a word.