Answer:
Are you asking what she should do? If you're asking that i suggest whoever it is that got hurt to decide for herself. If the concussion is very bad and she have seen a doctor and they told you to sit out or something else then you should do as told. But if its mild, then she can know her limits and what she wants to do.
Since we are given that
the mean is 15.2 oz
standard deviation of 0.5 oz
and simple random sample of 7
then we have an
<span>Exact normal distribution with mu equal to 15.2 and sigma equal to 0.4
since the samples are simple and random</span>
Greece but sorry if thats not what you mean.