Mathematics, 19.07.2019 23:00 psitthibun
From a normally distributed population, a simple random sample of size 30 is taken. the mean of the sample is 144 and the standard deviation of the sample is 12. construct a 90% confidence interval for the population mean. a. (139.7, 148.3) b. (140.4, 147.6) c. (142.4, 145.6) d. (143.3, 144.7)
Answers: 1
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What value is equivalent to 5 + [5 × (4 + 2)]? a) 35 b) 45 c) 60 d) 110
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What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?
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Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.
Answers: 1
From a normally distributed population, a simple random sample of size 30 is taken. the mean of the...
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