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A health researcher read that 200 lb man can burn 546 calories/hour playing tennis. 36 man sample withe a mean of 544.8 calories Test the claim that the actual number of calories burned is actually less than 546, and find P-value. α=0.01, σ= 3
Determine the largest plausible average balance for the accounts of those using her managed fund in which you could have 90% confidence.
The grades of a sample of 5 students, selected from a large population, are given below. Determine a point estimate for the variance of the population.
An automobile manufacturer would like to know what proportion of its customers are not satisfied with the service provided by the local dealer. The customer relations department will survey a random sample of customers and compute a 99% confidence..
1.a pediatrician is interested in studying the effect of motrin on reducing temperature in young children. four
The average labor charge for automobile mechanics is $54 per hour. The standard deviation is $4. Using Chebyshev's theorem, find the percentage of data values that will fall in the range of $48 to $60.
A recent study, "[b]ased on data from a survey of nearly 1,500 Boston men aged 18 to 35 years...found that 16 percent of the men - about one in six -- said they had abused their partner physically or sexually within the past year.
A random sample of 100 people was taken. Eighty of the people in the sample favored candidate A. The 95% confidence interval for the true proportion of people who favor Candidate A is?
chi-square test for independent attributes.on the most recent tax cut proposal a random sample of democrats and
Use suitable one or two sided test for null hypothesis of no difference in them then changes rating between groups at 0.10 significance level.
Standard deviation of $5,000. What is the lowest salary for those individuals with an MBA degree whose starting salary is in the top 10 percent?
How many participants need to be enrolled in each group to have 90% chance of detecting a significant difference using a two-sided test with a a= .05 if compliance is perfect?
If one person is arbitarily selected from this sample, determine probability of getting someone who is age 18-22 or doesn't smoke.
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