Question
FedEx claims that no more than 8% of all packages arrive at the address late. Assuming the binomial distribution applies, if a sample size of
FedEx claims that no more than 8% of all packages arrive at the address late. Assuming the binomial distribution applies, if a sample size of n = 20 packages is randomly selected, solve the following probabilities.Use Excel or StatCrunch to solve.
ROUND THE FOLLOWING ANSWERS TO FOUR (4) DECIMAL PLACES.
a. What is the probability that exactly 2 packages will be late?
b. What is the probability that 3 or lesspackages will be late?
c. What is the probability that 5 or morepackages will be late?
D. Based on the FedEx problem above, what is the Expected Value, E(x), in the sample of packages that will arrive late?
E. Based on the FedEx problem above, what is the standard deviation in the sample of packages that will arrive late?
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