Assume that the Poisson distribution applies, and proceed to use the given mean to find the indicated probability. If μ = 2, find P(3). If μ = 0.3, find P(1). If μ = 3/4, find P(3)...

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A researcher is testing the effect of a new cold and flu medication on mental alertness. A sample of n = 9 college students is obtained and each student is given the normal dose of the medicine. Thirty...

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1. It will increase the estimated standard error and increase the likelihood of rejecting H0. 2. It will increase the estimated standard error and decrease the likelihood of rejecting...

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What is the estimated standard error for the sample mean?

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The average size (in square feet) of homes built in the United States in the fourth quarter of 2008 was 2,343. Assume the variable is normally distributed and the standard deviation is 152 square...

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An IQ test has a mean of 100 and a standard deviation of 15. The test scores are normally distributed. Find the percentage of people who will score below 93. Give your answer as a percent rounded...

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During September, the average temperature of Laurel Lake is 64.2° and the standard deviation is 3.2°. Assume the variable is normally distributed. For a randomly selected day in September, find the...

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The average time it takes college freshmen to complete the Mason Basic Reasoning Test is 24.6 minutes. The standard deviation is 5.8 minutes. Assume the variable is normally distributed. Find the...

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The mean consumption of beef at the turn of the century was 70 pounds per person per year in the US. A sample of 32 people taken this year yielded the following data, in pounds, on last years...

# Statistics Diagnostic Exam for CSET

I have attempted to write a self-diagnostic exam with questions that match the topics described in the 2002 publication "California...

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1. 0.05 2. 0.95 3. 0 4. between 0 and 0.05 5. not enough information to answer. I'm guessing it is 0.95

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TRUE OR FALSE ?

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A researcher administers a treatment to a sample of participants selected from a population with µ = 80. If a hypothesis test is used to evaluate the effect of the treatment, which combination of...

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wrong answer: 18

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a random sample of n=4 scores is obtained from a normal population with u=20 and o=4. what is the probability that the sample mean will be greater than m=22 wrong answer: 0.3707 is...

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u=76 SD( standard deviation)=12, tom scored 8 points below the mean. mary had a score of x=73, and bill had a z score of z=-0.50. place these three students in order from lowest to highest score lowest middle highest wrong...

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a very bright student is described as having an IQ that is three standard deviations above the mean. if this student's IQ is reported as a z score , what would the z-score be? 1...

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Match the linear correlation coefficient to the scatter diagram. The scales on the x- and y- axes are the same for each diagram. ( a) r = - 0.969 ( b) r = - 0.049 ( c) r = - 1 ( d) r = - 0.992 Response...

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wrong answer : 5 how do i solve this?

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choices : 3 square root of 3 4 square root of 4 wrong answer: square root of 3