Mathematics, 24.03.2020 20:19 jaylanwest12
The mean cost of a five pound bag of shrimp is 40 dollars with a standard deviation of 8 dollars. If a sample of 49 bags of shrimp is randomly selected, what is the probability that the sample mean would differ from the true mean by greater than 2.6 dollars? Round your answer to four decimal places.
Answers: 2
Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Mathematics, 22.06.2019 00:30
Round each of the decimals to the nearest hundredth a. 0.596 b. 4.245 c. 53.6843 d. 17.999
Answers: 2
Mathematics, 22.06.2019 00:30
Taber invested money in an account where interest is compounded every year.he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?
Answers: 1
The mean cost of a five pound bag of shrimp is 40 dollars with a standard deviation of 8 dollars. If...
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