Mathematics, 24.05.2021 14:00 21marmong
A chocolate distributer claims that a new ad featuring picture of a well-known model will
increase product sales by average of 155 boxes in a week. For a random sample of 16
supermarkets the average sales increase 160 boxes, and the standard deviation was 16 boxes.
Assuming that the population is normally distributed, test the company's claim at the 5%
significance level.
*Please explain the solution steps briefly (define hypothesis, one sided? Two sided? Critical
value, decision...)
*When you need to use the notation of population mean, you can write "mu”, similarly
“xbar”, “sigma”, “variance”,...​
Answers: 3
Mathematics, 21.06.2019 15:10
Aboat's value over time is given as the function f(x) and graphed below. use a(x) = 400(b)x + 0 as the parent function. which graph shows the boat's value increasing at a rate of 25% per year?
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Mathematics, 21.06.2019 19:30
You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?
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Mathematics, 21.06.2019 22:10
What is the circumference of a circle with an area of 50.24 cm²?
Answers: 2
A chocolate distributer claims that a new ad featuring picture of a well-known model will
increase...
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