Question

122
1
An automobile manufacturer asserts that the seat belts of his seat are 90 per cent effective. A
consumer group tests the seat belts on 50 cars and finds it effective on 37 of them. Test the
correctness of the manufacturer's assertion, at the 5% level based on the observed data.​

Answer 1

Answer:

Test the

correctness of the manufacturer's assertion, at the 5% level based on the observed data