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For your study on the food consumption habits of teenage males, you randomly select 10 teenage males and ask each how many 12-ounce servings of soda he drinks each day. The results are listed below. The level of significance equals .01, is there enough evidence to support the claim that teenage males drink fewer than three 12-ounce servings of soda per day? Assume the population is normally distributed
3.52.32.92.41.73.73.53.73.41.5
Using your workplace, present or prior, or an organization with which you are affiliated, identify a quantitative and a qualitative variable of interest to you.
Shaver Manufacturing, Inc., offers dental insurance to its employees. A recent study by the human resource director shows the annual cost per employee per year followed the normal probability distribution, with a mean of $1,280 and a standard deviati..
The firm examined 35 randomly chosen fax transmissions during the next year, yielding a sample mean of 14.44 with a standard deviation of 4.45 pages.
a technician plans to test a certain type of resin developed in the laboratory to determine the nature of the time it
1. jim takes a simple random sample of 15 from a very large population whose variance is unknown. she intends to
computing the probability values for the given discrete distribution.five people are sick with the flu on a bus of 51
In the past, Judy Holmes's tire dealership sold an average of 1,000 radials each year. In the past two years, 200 and 250, respectively, were sold in fall, 350 and 300 in winter, 150 and 165 in spring, and 300 and 285 in summer.
What is the difference between a null hypothesis and an alternate hypothesis? Explain what is meant by the critical value of a statistical value.
Botanist is testing three plants and finds that prob of plant A being alive in a weak is 0.3 plant B is 0.6 and plant C 0.5 these probability are indipendant of each other. Determine the probability of all plants being alive after a weak.
it is decided to measure the resistance of sheets of a certain metal at temperatures x of 100 k 200 k 300 k 400 k and
heights of men on a basketball team have a bell shaped distribution with a mean of 173cm and a standard deviation of
Suppose probability that person has desease is 0.06 for all people, independently of each other, and calculate expected number of tests essential for each group.
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