Provide a P-Value, a determination of whether to reject the…

Provide a P-Value, a determination of whether to reject the null, and an explanation.An airline claims that the no-show rate for passengers is less than 5%. In a sample of 420 randomly selected reservations, 19 were no-shows. At α = 0.01, test the airline’s claim.

Provide an appropriate response.A researcher wishes to estim…

Provide an appropriate response.A researcher wishes to estimate the number of households with two tablets. What size sample should be obtained in order to be 90% confident that the sample proportion will not differ from the true proportion by more than 4%? A previous study indicates that the proportion of households with two tablets   is 24%.

Provide an appropriate response.A researcher at a major clin…

Provide an appropriate response.A researcher at a major clinic wishes to estimate the proportion of the adult population of the United States that has sleep deprivation. What size sample should be obtained in order to be 98% confident that the sample proportion will not differ from the true proportion by more than 3%?