Mathematics, 25.11.2019 23:31 jiskd
The american fisheries society is interested in the effect of mercury contamination on largemouth bass in florida lakes. a sample of 53 fish were captured and the mercury concentration in the muscle tissue was measured (in ppm). the average mercury concentration of the sample is 0.525 ppm with a standard deviation of 0.348 ppm.
a. find a 95% confidence interval for the mercury concentration in all largemouth bass in florida lakes.
b. find a 99% confidence interval for the mercury concentration in all largemouth bass in florida lakes.
c. an afs scientist claims that the mercury concentration is between 0.45 and 0.60 ppm. with what level of confidence can this statement be made?
Answers: 3
Mathematics, 21.06.2019 18:00, RickyGotFanz4867
What is the upper quartile in the box plot?
Answers: 1
Mathematics, 22.06.2019 02:20, jdkrisdaimcc11
The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?
Answers: 2
The american fisheries society is interested in the effect of mercury contamination on largemouth ba...
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