Mathematics, 05.11.2019 06:31 alex7078
Ashipment of 1000 small lab mice arrives at the animal care facility. we wish to estimate the actual mean weight of the mice. a simple random sample of 100 mice is selected and weighed, and the resulting 95% confidence interval for the actual mean weight is from 9.9 to 10.5 gram. using the same data to test the hypotheses about the actual mean weight, which of the following is correct? we cannot reject the hypothesis that the sample mean is 10.2 gram at α = 0.05 we cannot reject the hypothesis that 95% of individual mice weight between 9.9 and 10.5 gram we can reject the hypothesis that the true mean is 10 gram at α = 0.05 we can reject the hypothesis that the true mean weight is 11 g versus that the mean weight is not equal to 11 gram at α = 0.05
Answers: 3
Mathematics, 21.06.2019 15:20
Acourgette seed and a pumpkin seed is planted p(courgette seed germinates) 4/5 and p(pumpkin seed germinates) = 1/6 what is the probability that both seds germinate
Answers: 2
Mathematics, 21.06.2019 21:30
Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?
Answers: 2
Mathematics, 22.06.2019 01:00
Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?
Answers: 2
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