SOLUTION: Of the people who enter a large shopping mall, it has been found that 70 percent will make at least one purchase. For sample of n= 50 individuals, what is the probability that at l
Algebra.Com
Question 925225: Of the people who enter a large shopping mall, it has been found that 70 percent will make at least one purchase. For sample of n= 50 individuals, what is the probability that at least 40 people make one or more purchases each?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
p(at least one purchase) = .70 , n = 50
P(x ≥ 40) = 1- P(x ≤ 39) = 1 - binomcdf(50, .70, 39) = 1 - .9211 = .0789 0r 7.89%
RELATED QUESTIONS
Item4
14
points
eBookAskPrintItem 4
Exercise 5-26
Steele Electronics Inc. sells... (answered by ikleyn)
I need help solving this problem using the normal approximation of the binomial... (answered by stanbon)
A salesperson of kathmandu mall has a 70% chance of making a sale to each customer. the... (answered by ikleyn)
A mall has 3 department stores, JC Penny's, Macy's, and Sears. A survey of 2,631 people... (answered by stanbon)
A clothing store owner knows from previous records that any person who comes into her... (answered by ewatrrr)
Question 1:It is known that one out of every three people entering a particular... (answered by stanbon)
20 percent of people who enter store buy something. suppose 3 people enter the store.... (answered by stanbon)
Large companies typically collect volumes of data before designing a product, not only to (answered by stanbon)
from past records, a store finds that 26% of people who enter the store will make a... (answered by Boreal)