Recently, the number of airline companies that offerin-flight Wi-Fi service to passengers has increased.However, it is estimated that only 13% of the passengers who haveWi-Fi available to them are willing to pay for it. Suppose the largest provider of airlineWi-Fi service, would like to test this hypothesis by randomly sampling 100 passengers and asking them if they would be willing to pay$4.95 for 90 minutes of onboard Internet access. Suppose that 15 passengers indicated they would use this service. Using =0.10, complete parts a and b below.

Determine the criticalvalue(s) of the test statistic.

z=

Calculate the test statistics

zp=

Determine the conclusion