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A researcher believes that maximum security inmates have a more lengthy arrest record than minimum security inmates. She collects a sample of 225 inmates from the minimum security prison and 180 inmates from the maximum security prison and computes the following data from the samples:
Mean Standard Deviation Minimum: 12.4 3.4 Maximum: 14.1 2.8
Calculate the 99% CI for each group. Based on these data, is the researcher correct that maximum security inmates have a longer arrest records than minimum security inmates? Why or why not?
Translate the following arguments into symbolic form.- If parents are told that their unborn child has Tay-Sachs disease, then if they go ahead with the birth, then they are responsible for their child's pain and suffering.
a medical study recorded the following information on 75 randomly chosen subjects. in the space provided describe the
What are the minimum value and the maximum value? List the actual values in the fourth row. List the actual values in the second row. How many values are less than 70? How many values are 80 or more?
What are the limitations of the technique you used? What is the topic you are addressing and what are your hypotheses
Do heavier people burn more energy? Metabolic rate, the rate at which the body consumes energy, is important in studies of weight gain, dieting, and exercise.
Two fair dice are tossed twice. Find the probability that the sum is 10 or less on the first toss and the sum is 8 or more on the second toss.
A bank manager has developed a new system to reduce the time customers spend waiting for teller service during peak hours. The manager hopes that the new system will reduce waiting times from the current 9 to 10 minutes to less than 6 minutes.
Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.
Calculate the sampling error associated with the mean of this random sample. What would you tell this advisor regarding the sample he has selected?
John Kim is the purchasing manager for your computer, Inc., a manufacture of network servers. A truckload of sheet metal has just arrived. Previous experience with the supplier suggests that the thickness of the sheet metal follows a normal distri..
the market price for a certain product is 5 per unit and occurs when 14000 units are produced. at at price of 1 no
Suppose that 4% of all tax returns are audited.- How large must n be before this probability is less than 0.01?
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