QUESTION 7 1 POINT
A technology company is studying the launch of their new laptop computers in order to track warranty purchases. Assume
that the laptop warranties
have
an
unknown distribution with a mean of 243 days and a standard deviation of 34 days. A
sample of 40 laptop
warranty purchases are randomly selected from the population.
Use Excel to calculate the probability that the average laptop warranty purchase for the sample will be greater than 253.
Round your answers to three decimal places.
Provide your answer below:
== days
σ-= ☐ days
P(x>253)=0.0314
12
