Mathematics, 26.06.2019 05:50 nickocasamplonp6mlob
Type the correct answer in each box. use numerals instead of words. if necessary use/for the fraction bar. find the inverse of the given function. f(x)=-1/2
Answers: 3
Mathematics, 21.06.2019 15:20
If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?
Answers: 1
Mathematics, 21.06.2019 20:50
An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.
Answers: 3
Mathematics, 21.06.2019 21:40
Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.
Answers: 3
Type the correct answer in each box. use numerals instead of words. if necessary use/for the fractio...
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