13) Hello i need assistance with questions that need to be answered ASAP. I am adding a screenshot of the question. Thank you! ATTACHMENT PREVIEW Download attachment 13.png In a survey of 621 males ages 13—64, 395 say they have gone to the dentist in the past year. Consthct 90% and 95% confidence intervals for the population […]
1) Hello i need assistance with questions that need to be answered ASAP. I am adding a screenshot of the question. Thank you! ATTACHMENT PREVIEW Download attachment 1.png In a random sample of 35 refrigerators, the mean repair cost was $147.00 and the population standard deviation is $16.60. Construct a 90% confidence interval for the population mean […]
5) Hello i need assistance with questions that need to be answered ASAP. I am adding a screenshot of the question. Thank you! ATTACHMENT PREVIEW Download attachment 5.png A doctor wants to estimate the HDL cholesterol of all 20— to 29—year—old females. Howr many subjects are needed to estimate the HDL cholesterol within 3 points with 99% confidence […]
7) Hello i need assistance with questions that need to be answered ASAP. I am adding a screenshot of the question. Thank you! Attachment 1 Attachment 2 Attachment 3 ATTACHMENT PREVIEW Download attachment 7.png A mechanic sells a brand oi automobile tire that has a life expectancy that is normally distributed, with a mean life of […]
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