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Suppose that a certain college class contains 65 students. Of these, 35 are seniors, 33 are biology majors, and 5 are neither. A student is selected at random from the class.
(a) What is the probability that the student is both a senior and a biology major?
(b) Given that the student selected is a biology major, what is the probability that he is also a senior?
Write your responses as fractions.
Find the value for the correlation coefficient r.
if the test statistic for a difference of means test has a p-value of .03 we could reject the null hypothesis at an
If it were known that Project B was negatively correlated with other cash flows of the firm whereas Project A was positively correlated, how would this knowledge affect the decision?
Calculate the mean, median and mode for both sets and do graph/histogram to chart the results and conclude if indeed one set of year had more the other as far a snowfall.
Determine the probability mass function of the salesperson's November sales (in $). What is the probabiity that his sales for November will be less than 100k? Find the mean and standard deviation of the November sales.
If p is the probability of Event 1 and (1-p) is the probability of Event 2, based on the expected returns, for what values of p would you select A? B? C? Values in the table are payoffs.
You're the production manager for operation that produces circuit boards. Each board is tested at the end of manufacturing process. Rejected boards are discarded and have no future value.
A random sample of 10 miniature Tootsie Rolls were taken from a bag. Each piece was weighed on a very accurate scale. The results in grams were as follows:
realturf is considering purchasing an automatic sprinkler system for its sod farm by borrowing the entire 35000
in a randomized trial who should be blinded to which treatment group the patient is assigned?1. the patient2. the
one strategy for increased sat exam scores is to take the test study on weak areas then retake the test. based on the
j.mcwhorter et al. of the college of health sciences at the university of nevada las vegas studied physical therapy
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