A medical researcher claims that the proportion of smokers i…

A medical researcher claims that the proportion of smokers in the US is at least 30%.You take a random sample of 400 US adults and find that 26% of the sample are smokers. Use alpha = 0.05 to arrive at a conclusion regarding the claim.  (a) Determine the p-value [pvalue] (b) Come to a final conclusion for the test [conclusion]

The next two questions relate to the following scenario: The…

The next two questions relate to the following scenario: The surgeon is performing a total abdominal hysterectomy on a patient with uterine fibroids who is experiencing excessive uterine bleeding during her menstrual periods. If the surgeon needs to grasp the fallopian tube or ovary, which instrument would you have ready to pass? 

Wegmans grocery store is interested to know about the amount…

Wegmans grocery store is interested to know about the amount of time shoppers spend in the store. The amount of time shoppers spend in the store is known to follow a normal distribution with mean of 30 minutes and standard deviation of 4 minutes What percentage of shoppers are in the store less than 24 minutes? [less] What percentage of shoppers are in the store between 24 minutes and 30 minutes? [between] What percentage of shoppers are in the store more than 35 minutes? [more]