Answered

Welcome to Westonci.ca, your go-to destination for finding answers to all your questions. Join our expert community today! Get immediate answers to your questions from a wide network of experienced professionals on our Q&A platform. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

An airline claims that 72% of all its flights to a certain region
arrive on time. In a random sample of 30 recent arrivals. 19 were
on time. You may assume that the normal distribution applies.
a. Compute the sample proportion.
b. Assuming the airline's claim is true, find the probability of a
sample of size 30 producing a sample proportion so low as
was observed in this sample.

Sagot :

Visit us again for up-to-date and reliable answers. We're always ready to assist you with your informational needs. Thanks for using our platform. We aim to provide accurate and up-to-date answers to all your queries. Come back soon. Westonci.ca is your go-to source for reliable answers. Return soon for more expert insights.