Mathematics, 07.11.2019 01:31 nightmarewade03
The world health organization is planning a study of the average weight gain of europeans in the last 5 years. scientists from the who plan on taking a srs of 100 europeans and calculating a 95% confidence interval of the average weight gain of all europeans. the who changed their minds and now plans on calculating a 90% confidence interval from the sample they will select. explain to the who the impact of changing their confidence level from 95% to 90%. select all that apply.- their confidence interval would be less likely to capture the sample mean.
- they would decrease the margin of error of their confidence interval if they calculated a 90% rather than a 95% confidence interval.
- the probability of selecting a sample which doesn't capture the true value of μ would be 10% rather than 5% if they decide to calculate a 90% confidence interval rather than a 95% confidence interval from the sample they will select
- exactly two of the above are correct.
- the first 3 statements are correct.
Answers: 3
Mathematics, 21.06.2019 14:30, nunnielangley0
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, drandbone92
Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone
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Mathematics, 21.06.2019 18:30, Kelseyyleigh2611
Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?
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