Answer to Question #342277 in Statistics and Probability for Himanshi

Question

The mean breaking strength of cables supplied by a manufacturer is 1800 with standard

deviation 100. By a new technique in the manufacturing process, it is claimed that the

breaking strength of the cable has increased. In order to test the claim a sample of 50 cables

is tested. It is found that the mean breaking strength is 1850. Can we support the claim at

1% level of significance?

19) A coin is tossed 400 times and was found to result in head 245 times. Can we conclude the

coin is fair?

Answer 1

It's been a while since this question is posted here. Still, the answer hasn't been got. Consider converting this question to a fully qualified assignment, and we will try to assist. Please click the link below to proceed: Submit order