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A simple random sample of 300 properties is taken from a collection of 9,500 properties, 3,000 of which do not have central air conditioning. Estimate the chance that at least 35% of the 300 properties in the sample do not have central air conditioning.
Manufacturer of guitar amplifiers markets one of its models,
please show all your work.if you upload an image please make sure it is clear and your writing is legible.a detector
Determine the probability that we would reject null hypothesis given that it is true?
Hypothesis Testing: We wish to test the claim that the mean body mass index (BMI) of men is equal to the mean BMI of women. Use the data to the right to test this claim.
A soft-drink manufacturer claims that its 12-ounce cans do not contain, on average, more than 30 calories. A random sample of 16 cans of this soft drink, which were checked for calories
if we have a 95 confidence interval we have alpha2 below the confidence interval and alpha2 above the confidence
the city council of pine bluffs is considering increasing the number of police in an effort to reduce crime. before
Construct a 95% confidence interval estimate of the difference between the percentage of men and the percentage of women who fear flying.
Suppose that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more?
a sample of 80 women is obtained and their heights in inches and pulse rates in beats per minute are measured. the
suppose that the mean iq of the 85 students in your classes is 110 and you know that the standard deviation of iq
as reported by a spokesperson for southwest airlines the no-show rate for reservations is 16. in other words the
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