Answer:
it depends... is it a scrawny middle schooler? is the man a bodybuilder? is the man short? are the other men strong or fast at the job? if so it changes all variables...
Step-by-step explanation: :)
Answer:
The correct answer is A which is

Step-by-step explanation:
The angle of elevation from the submarine to the boat is
.
This is the angle through which an observer from the submarine will raise the head before seeing the boat.
See diagram in the attachment for illustration.
Answer:
The answer is "between 0.10 and 0.05".
Step-by-step explanation:
For sample 1:

For sample 2:
Calculating the null and alternative hypotheses:
Calculating the test statistic:

Calculating the conservative degrees of freedom:
by using Excel the p-value for left tailed test and for test statistic will be
with
.
