A school earns $70 from se ing 50 tickets for the school play. Each ticket costs the same price.
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So I just set up a division for this question. I hope this helped and ask for any further help.
Considering the situation described, the scientist's null and alternative hypothesis are described by:
Null hypothesis ; Alternative hypothesis
.
At the null hypothesis, it is tested if there is no difference, that is, the difference of the means represented by is of 0, hence:
At the alternative hypothesis, it is tested if there is a difference, hence:
More can be learned about an hypothesis test at brainly.com/question/26454209