Lessons
If young men thought that their own level of muscle was about what women prefer, the mean "muscle gap" in the study described in your
book (page 389) would be zero (O). We suspect (before seeing the data) that (most) young men tend to think women prefer more muscle than
they themselves have.
1. State null and alternative hypotheses for testing this suspicion.
0
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2. What is the value of the test statistic z?
3. You can tell just from the value of z that the evidence in favor of the alternative is very strong (that is, the P-value is very small). Explain why
this is true.

please help. nobody has answered a single one of my questions yet