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If X is a random variable having a binomial distribution with n=20 and p=0.4, and Y is a transformed version of X, where Y=2X+3, what is the expected value of Y?
question 1 draw ogives from the following data and measure the median value. verify it by actual calculation.central
a bank has just made 200 car loans. the banks records indicate that about 7 of their customers make late payments on
Simple random sample of 100 elements is taken: (a) What is the chance of an element being included in the sample? (b) What is this chance called (hint: not probability)?
Calculate the appropriate test statistic to test the hypotheses related to the concern and test at 5% and 1% (indicate which test you are performing; show the hypotheses, the test statistic and the critical values and mention whether one-tailed or..
For a standard normal distribution, findout the percentage of data that are among 3 standard deviation below the mean also1 standard deviation above the mean.
Multiple choices based on regression analysis - how much or how many but instead is assigned values to represent categories
The standard deviation of the population is 1 at a-0.05, is the number of sticks of gum a person chews per day actually greater that 8?
suppose for this problem that true iq is a meaningful concept rather than a reified social construct. suppose that in
According to an Internet posting, 80% of adults enjoy drinking beer. If a group of 3 adults is selected at random, find the probability that none of them enjoy drinking beer.
a bakery has an average daily expense of 1350. the standard deviation is 150. the owner takes a sample of 50 bills what
suppose the estimated slope coefficient in a regression model measuring the association between the independent
The consultant has offered to share their analysis with your company for a fee of $25.0 million. What is the Expected Value of Perfect Information in this scenario?
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