Average a particular insurance sales
You are given that on average a particular insurance sales person is successful 15% of the time. On a given week this person makes 12 sales calls.
a) What is the probability of making exactly 3 successful calls?
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Letting represent the mean composite satisfaction rating for the XYZ-Box, set up the null hypothesis H0 and the alternative hypothesis Ha needed if we wish to attempt to provide evidence supporting the claim that ? exceeds 42.
By counting the appropriate elements of the sample space if necessary, find the probability of each of the following events:
Two cards are drawn from a deck (without replacement). What is the probability they are both diamonds? Please show your work.
A box contains three black pieces of cloth, two striped pieces, and four dotted pieces. A piece is selected randomly and then placed back in the box. A second piece is selected randomly. What is the probability that:
We wish to survey n people to estimate the proportion p of all people who have lied on an survey. People are asked to ?ip 2 coins. If both times it comes up as heads, they are asked to reply "no" if they have lied and "yes"if they have not.
Assume that there are 7 different issues of Newsweek, 6 different issues of Sports Illustrated, and 2 different issues of Time, including the December 1st issue, on the rack. You choose 4 of them at random.
Assume that there are 14 board members: 9 females, and 5 males including Mark. There are 3 tasks to be assigned. Note that assigning the same people different tasks constitutes a different assignment.
An experiment consists of rolling three fair dice --- a red die, a blue die, and a white die --- and recording the number rolled on each die. Assume that the dice are fair, so that all outcomes are equally likely.
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