Mathematics, 22.07.2019 14:00 kenzie19169
The scores of 12th-grade students on the national assessment of educational progress year 2000 mathematics test have a distribution that is approximately normal with mean of 300 and standard deviation of 35. a. choose one 12th-grader at random. what is the probability that his or her score is higher than 300? higher than 335? b. now choose an srs of four 12th-graders. what is the probability that their mean score is higher than 300? higher than 335?
Answers: 2
Mathematics, 20.06.2019 18:04
Kevin has just finished paying off his loan. he was assessed a service charge of $422. he paid off the principal and the interest by making weekly payments of $36.13 for four years. if the principal was $7,150, how much did kevin pay in finance charges, to the nearest dollar? a. $498 b. $365 c. $422 d. $787
Answers: 3
Mathematics, 21.06.2019 14:30
The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.
Answers: 1
Mathematics, 21.06.2019 17:00
Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l
Answers: 2
Mathematics, 21.06.2019 21:30
The ratios of boys to girls on a soccer league is 2: 5. if there are 28 boys, how many girls are playing soccer? extra points! will mark as brainiest asap
Answers: 2
The scores of 12th-grade students on the national assessment of educational progress year 2000 mathe...
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