B) f(x) = 3
It’s because all the y values are 3
250/100 = 2.5
2.5*7 = 1.75
$1.75
Hope this helped!
The answer is 19 because you have to divide them
The decision when the z value is within the rejection region is that we'll have to reject the null hypothesis.
<h3>What is a rejection region?</h3>
It should be noted that the rejection region is also known as the critical region. It is the set of values where the null hypothesis is rejected.
When the observed test statistic is in the rejection region, we'll have to reject the null hypothesis and then accept rte alternative hypothesis.
Learn more about z scores on:
brainly.com/question/6096474
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