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The length of pregnancies are normally distributed with a mean of 268 days and standard deviation of 15 days. How many days do 80 percent of women last until in their birthing process?
Use the p value method to determine whether or not to accept or reject the null and alternate hypotheses.
For a disease such as pancreatic cancer, which is highly fatal and of short duration:
How is this relationship different from the bi-variate relationships?
Category of decision rule which contains maximax decision rule is?
Using the sample information given in the above exercise, the p value for testing Ho versus Ha can be calculated to be 0.0057
A pediatrician is interested in studying the effect of Motrin on reducing temperature in young children. Four children with influenza have their temperatures taken immediately before and then 20 minutes after taking a standard dose
What is your conclusion regarding null hypothesis?
Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a random sample of 12 couples who plan to marry, find the probability that exactly 6 couples will have a destination wedding.
What percent of the sample means will be greater than 135 but less than 148 seconds? (Round your answer to 2 decimal places.)
Is the annual average wage of unmarried people (18 - 30) the same as that of married people (31 - 43)?
Assume we have a population of scores with mean (mu) of 200 and standard deviation (sigma) of 10. Assume that the distribution is normal. Provide answers to the following questions:
Only 3 reported that their health was excellent. Find the probability that when 13 adults are randomly selected, 3 or fewer are in excellent health.
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