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Suppose that 45% of all babies born in a particular hospital are boys. If 8 babies born in the hospital are randomly selected, what is the probability that more than 1 of them are boys? Carry your intermediate computations to at least four decimal places, and round your answer to at least two decimal places.
Suppose you simultaneously roll two dice n times and record the outcomes. Based on these values, how would you assess the null hypothesis that the outcome.
using one mean t test to determine whether or not to support the claim.the t-test ia another hypothesis test that works
The quality control inspector of a production plant will reject a batch of syringes if 2 or more defective syringes is found in a random sample of 8 syringes taken from the batch. Suppose the batch 1% defective syringes.
How many chicken sandwiches must the restaurant stock to be 99% sure of not running out on a given day?
A departmental store that wishes to examine whether it is losing or gaining customers draws a sample from its list of credit cardholders by selecting every tenth name.
Certo has complained that he was misrated on his January mission. Both ratings should be 10's, he claims to the chief, who agrees and recomputes the schedule. Do any changes occur over the schedule set in part (b)? What are the strengths and weakn..
Using the four sets of residuals given in the data file, determine if the residuals have a normal distribution.
A woman sells an average of 300 books per month, with a standard deviation of 50. Over the next ten years, how many months will she sell more than 375 books?
A taxpayer in need of advice will call the IRS repeatedly until she can get through (no busy signal). - How many possible outcomes are there in this experiment?- List some of the outcomes for this experiment.
What is the probability that the number chosen will be (i) a multiple of 7, (ii) a multiple of 14?
suppose that you add 10 to all of the observations in a sample. how does this change the sample mean? how does it
Assume you were in charge of advertising for an automotive dealership when the gas prices increased to $6 per gallon. Most of your cars are fuel-efficient, but you have two models that have extremely poor fuel economy
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