A marine biologist claims that the mean dive duration of a h
A marine biologist claims that the mean dive duration of
a harbor seal in Monterey Bay is at least 5.8 minutes. A random sample
of 35 dive durations has a mean of 4.9 minutes and a standard deviation of
1.8 minutes. Is there enough evidence to reject the claim at a = 0.01?
a) write Ho and Ha and identify which is the claim
b) identify whether its left, right or two tailed
c) write the p-value
d) decide whether to reject or fail to reject the null hypothesis
e) interpret the final decision in the context of the original claim
Solution
