P-2 the following data has been recorded regarding the

Question

a. What is the probability of selling 5 houses in a month?
b. What are the expected value and the standard deviation for the number houses sold by the salespeople per month?

P-2 The following data has been recorded regarding the rental history of a high pressure cleaner at a home improvement store.
Demand
Frequency

0
20

1
23

2
27

3
14

4
16

Find the expected demand for the high pressure cleaner.

P-3Forty percent of all high school graduate work during the summer to earn money for college tuition for the upcoming fall term. Assuming a binomial distribution, if 6 graduates are selected at random, what is the probability that:
a) 3 have a summer job
b) None have a summer job
c) All have a summer job
d) At least 2 have a summer job

P-4Suppose the mean number of hurricanes a year is 2.35 and the number can be modeled by a P

Answer 1

Provide a step by step solution to the following probability question. Question: 40% of all high school graduate work throughout the summer to earn money for college tuition for the upcoming fall term. Supposing a binomial distribution, if 6 graduates are chosen arbitrarily, find the probability that: (a) 3 have a summer job (b) All have a summer job (c) None have a summer job (d) At least 2 have a summer job