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Suppose a fair coin is flipped five times in a row. (a) What is the probability of getting all five heads? (b) What is the probability of getting at least one tail?
Fitness of cardiac patients. The physical fitness of a patient is often measured by the patient's maximum oxygen uptake.
Two independent samples of sizes n1 = 50 and n2 = 50 are randomly selected from two populations to test the difference between the population means. The sampling distribution of the sample mean difference, is:
Faced with rising fax costs, a firm issued a guideline that transmissions of ten pages or more should be sent by two-day mail instead. Exceptions are allowed, but they want the average to be ten or below. Use Excel to find the right-tail p value
a student survey was done to study the relationship between gender and favorite television program watched on sunday
Teaching Sociology (July 1995) developed a model for i the professional socialization of graduate students working toward their doctorate. One of the dependent variables modeled was professional confidence.
1) Waiting in Line: A Wendy's manager performed a study to determine a probability distribution for the number of people, X, waiting in line during lunch. The results were as follows (a) Verify that this is a discrete probability distribution.
MATH 221 Statistics for Decision Making iLab. Give and interpret the 95% confidence interval for the hours of sleep a student gets
The population mean of a company's racing bicycles is 9.07 kg (20.0 lb) with a population standard deviation of 0.40 kg. If the distribution is approximately normal
it has been estimated that the probability of a male birth is 0.513. if a couple have five children determine the
Although the phenomnenon is not well understood, it appears that people born during the winter months are slightly more likely to develop schizophrenia than people born at other times.
A poker player is dealt three spades and two hearts. He discards the two hearts and draws two more cards. What is the probability that he draws two more spades?
Carrying intermediate computations at least 3 decimal places what is the the lower and upper limits of the 90% confidence interval?
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