Acording to a recent survey, 70% of all customers will return to the same grocery store.
Suppose 10 customers are selected at random, What is the probability:
a) Exactly 5 of the customers will return?
b) All 10 customers will return?
c) At least 7 of the customers will return?
d) Less than 5 customers will return?
e) How many customers would be expected to return to the same store ?
Solution Summary
Please use Excel when necessary:
Acording to a recent survey, 70% of all customers will return to the same grocery store.
Suppose 10 customers are selected at random, What is the probability:
a) Exactly 5 of the customers will return?
b) All 10 customers will return?
c) At least 7 of the customers will return?
d) Less than 5 customers will return?
e) How many customers would be expected to return to the same store ?
Probability based on binomial probability. Binomial Distribution. ... 4. Based on your sample, find the probability of exactly 7 out of 22 answering "yes". ...
... b)using the table calculate the conditional probability of C given each of the age groups, or p(c/d), P(c/e), etc compare these probabilities and speculate as ...
... To check whether the given experiment is a valid probability distribution or not, we can use the condition that sum of all the probabilities in an experiment ...
... day 2, is (q)(p)(p) (the second p accounts for the probability of death ... could happen separately (event A OR B could happen) we add the probabilities of these ...
