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In evaluating a poll, a larger sample size would be considered more favorably, but what consideration would you consider even more important than the sample size before trusting the validity of the poll?
If the mean (Mu) diastolic blood pressure in a certain age group is 80, and the standard deviation (Sigma) is 10, what is the probability that, in a sample of 100, the sample mean (X) is > 85?
1.one characteristic of billiard balls is their elasticity - the bounce they get when striking one another. a
1. the maker of a shampoo knows that customers like this product to have a lot of foam. ten sample bottles of the
Your financial advisor sees this and tells you there is a 100% chance XYZ stock will gain over the 2-month period. Would you continue to use this financial advisor? Explain.
a sample of 9 days over the past six months showed that a dentist treated the following numbers of
Find the probability that at most 5 defective bolts will be found in a box of 200 bolts if it is known that 2 per cent of such bolts are expected to be defective.
nce you have performed the analysis in Excel, state the correct simple linear regression equation and use the regression equation to predict the weight (in pounds) of a person who is 65 inches tall and the weight (in pounds) of a person who is 100..
draw a tree diagram representing the outcomes of flipping 3 coins with replacement between the flips. list the sample
Suppose a computer chip manufacturer rejects 2% of the chips produced because they fail presale testing. Assuming the bad chips are independent, find the probability of each of the following.
Find a 98% confidence interval for the percentage of all eighth graders who have used alcohol. Round the upper and lower bounds to three decimal places.
Using a .05 level of significance, is there evidence of a difference in the average time to assemble a part between the two programs? Please write the null and alternative hypotheses for both 1 and 2
Plant B has a standard deviation of 150 model FX32's per day. Which of the plants would you prefer to manage? Explain why you would prefer that particular plant.
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