The calculated average of a data set best describes A: Mean.
To find the cost of each book, you need to divide the money spent on all of the books by the number of books.
$39 / 10 = $3.90 per book
Answer: c. 0.0778
Step-by-step explanation:
Let X is the number of non-authentic names in her sample with parameter :
n= 5 and p=40% = 0.40
Binomial probability distribution, the probability of getting success in x trials :-

We have ,

Thus , the correct answer is option c. 0.0778
Answer:
52 hours
Step-by-step explanation:
Given that it takes 15 orders every 5 hours.
With that we can find that it takes 3 orders every hour. Using that we can find that in 52 they would have shipped 156 orders
With that we find that the answer is 52 hours