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Consider the following hypotheses:
H0: μ = 470
HA: μ ≠ 470
The population is normally distributed with a population standard deviation of 44. Use Table 1.
a. Use a 10% level of significance to determine the critical value(s) of the test.
b. Use p-value an test at 5% level of significance
a recent survey found that 84 of the population has never been a victim of a violent crime. if a sample of 15 is
acording to the national association of realtors 44 of u.s. homes sold in march 2010 wre purchased by first time home
When carrying out a hypothesis test for a population proportion, under what conditions is it appropriate to use the normal distribution as an approximation to the (theoretically correct) binomial distribution?
1. given the following probabilities compute all joint probabilities to 2 decimals.pa .9pac .1pbnbspnbspa
What is the value of the population mean? What is the best estimate of this value?
certain kinds of tumors tend to recur. the following data represent the lengths of time in months for a tumor to recur
It was suggested that the number of particles in a randomly selected interval might follow a Poisson distribution. Assuming a Poisson distribution to be an appropriate model for the data, use two methods to find an approximate 95% confidence inter..
List 4 variables that you might assess in a research project related to your research area. List one for each type of measurement scale: Nominal, ordinal, interval, and ratio
A TV spot in the Channel 22 early news costs $1500. The average quarter hour Adult 25-54 audience is 15,000. What is the CPM?
An auto manufacturer advertises that "90% of the cars we've ever made are still on the road." Assuming this is literally true, how can it be explained? What facts/statistics would you need to know to expose this misleading claim?
What proportion of the variability in steel shipments for motor vehicles is described by regression equation?
Let x be average number of employees in group health insurance plan and y be average administrative cost as percentage of claims. Determine sample correlation coefficient.
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