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The probability of winning the local gas stations "Tigerama" game is 0.001. A women is determined to win. What is her probability of winning if she goes to the gas station exactly 100 times?
answer in key is given as:0.00099
When calculating correlation coefficient, what does a value of -2 indicate? Strong negative correlation, Weak negative correlation.
In the last quarter of 2007 a group of 64 mutual funds had a mean return of 0.9% with a standard deviation of 5.2%. Consider the normal model N(0.009.052) for the returns of these mutual funds.
What is the computed z-value for testing the null hypothesis that the proportion of successes in Population 1 exceeds the proportion of successes in Population
The standard deviation of the population weight losses is about 10 pounds. How large a sample should he take to estimate the mean weight loss to within 2 pounds, with 95% confidence?
The amount of income spent on housing is an important component of the cost of living. The total costs of housing for homeowners might include mortgage payments
the lifetime of an electronic amplifier is modeled as an exponential random variable. if 10 of the amplifiers have a
The average thickness of books on a library shelf is 8.3 centimeters.the standard deviation is 0.6 centimeter. If 20% of the books are oversied, find the minimum thickness of the oversized books on the library shelf.
Four hundred people apply for three jobs. 110 of the applicants are women. (a) If three persons are selected at random, what is the probability that all are women?
Identify the variable being measured and describe the sample as it relates to the population.
The variance of some data is 37.33 what is the standard deviation?
hamilton county judges try thousands of cases per year. in an overwhelming majority of the cases disposed the verdict
Suppose that each passenger may get out of the elevator at either of the 2nd or the 3rd floor. Note that 8 passengers are different. How many ways may the 8 passengers get out of the elevator?
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