Remember that parentheses come first. Follow PEMDAS
Answer:
£312
Step-by-step explanation:
Amount spent on 60 jumpers = £120
80% of the jumpers :
0.8 * 60 = 48 jumpers
Sales price for 80% = £8 each
Total = £8 * 48 = £384
The remain at an half price offer :
Half price = £8 / 2 = £4
£4 * (60 - 48)
£4 * 12 = £48
Total sales revenue = £(48 + 384) = £432
Total profit made :
Total sales revenue - purchase price
£432 - £120
= £312
Answer:
<h2>D. 0.389</h2>
Step-by-step explanation:
We need to find the probability of a studend taking a humanities class, given the student is male.
In this case, the total number of outcomes 180, which is the total number of male students. The possible event is 70, which is all male students which take humanities class.
So, the probability is

Therefore, the right answer is D., the probability that a student is taking a humanities class, given the student is male, is 0.389, rounded to the nearest thousandth.
<h2>
Answer with explanation:</h2>
We know that in statistics, the Type II error happens when the null hypothesis is false but fails to get rejected.
Given : The null hypothesis,
, is: researchers claim that 65% of college students will graduate with debt.
Then , Type II error in this scenario will be when the researcher claim 65% of college students will graduate with debt is false but fails to be rejected.