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1. Only two doctors would make a diagnosis on patients coming into the same STD clinic for gonorrhea. The probability of the two doctors making a diagnosis of gonorrhea is (independent, dependent, synergistic, cannot tell).
2. Assume that birth weights are normally distributed with a mean of 3400g and a standard deviation of 700 g. If you want to find the probability that a birth weight will be less than or equal to 2000 g you would first normalize and set up the equation as:
Hypothesis Testing: We wish to test the claim that the mean body mass index (BMI) of men is equal to the mean BMI of women. Use the data to the right to test this claim.
How many commercials' worth of data do I need to have a margin of error no more than 3, the correct set of hypotheses
There are 10 questions on a true-false test. A student feels unprepared for this test and randomly guesses the answer for each of these.
Dr. Stallter has been teaching basic statistics for many years. She knows that 80 percent of the students will complete the assigned problems.
A woman has n keys, of which one will open her door. (a) if she tries the keys at random, discarding those that do not work, what is the probability that she will open the door one her kth try?
Define the terms parameter and statistic. Be sure that the concepts of population and sample are included in your definitions.
A population of scores has m=50 and o=10. If 5 points are added to every score in the population, then the new mean and standard deviation would be:
A set of 50 data values has a mean of 15 and a variance of 25. Find the standard score of a data value = 30.
Use the normal distribution of SAT critical reading scores for which the mean is 507 and the standard deviation is 121. Assume the variable x is normally distributed.
What is the probability of finding a sheet chosen at random which contains 3 or more surface flaws and find the greatest standard deviation,
Gallup Polls When Gallup and other polling organizations conduct polls, they typically contact subjects by telephone. In recent years, many subjects refuse to cooperate with the poll.
Based on the numbers presented, what do you think of the discrimination claim?
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