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An instant lottery game gives you probability 0.02 of winning on any one play. Plays are independent of each other. If you play five times, what is the probability that you win at least once?
(Use decimal notation. Give your answer to three decimal places.)
how do I then construct a? 90% confidence interval for the slope of the true? least-squares regression line and then determine the mean
Suppose that n students are selected at random without replacement from a class containing T students, of whom A are boys and T
Does this situation meet the binomial requirements? Why or why not? Address the five conditions of a binomial distribution in the textbook.
1. suppose a realtor is interested in comparing the asking prices of homes in philadelphia and baltimore. a random
What signified to you on all of the problems that required a normal distribution that you were to use a normal distribution? Which problems required a normal distribution?
The average price of a home is reported to be $203,190. Use this price as the population mean, and assume the population standard deviation is 43,890.
If Subway wanted to have 90% confidence in being within 3 percentage points of the population percentage who are pleased, how many of the new franchisees would have to be included in the sample?
What is the variable of interest?- Is this sample random? If so, justify your answer. If not, describe a technique to obtain a random sample.
city records indicate that the average age of the houses on the west side of town is 43 years with standard deviation
Make a probability distribution chart using reduced fractions to show the following information: The chart below shows the number of committee members who attended a meeting.
Suppose at least 15 freshmen receive financial aid. What is the probability that all 20 freshmen receive financial aid
When the x's are equally spaced, the calculation of and can be simplified by coding the x's by assigning them the values ... , -3, -2, -1, 0, 1, 2, 3, ... when n is odd, or the values ... , -5, -3, -1, 1, 3, 5, ... when n is even. Show that with..
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