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Which political party did Tony Blair use to contest for elective office in the United Kingdom?
Find the probability that the mean aptitude test score for a randomly selected group of 150 8th graders is between 101.5 and 98.5.
A population has a mean score of 75 and a standard deviation of 13. What is the probability of choosing a random sample of 100 people from this population with a mean of 78 or higher? Show work.
Suppose the salary of assembly line workers has Normal distribution with mean of $20,000, and standard deviation of $3,000.
What would the observational units be in this case? Fall, 2008 (d) What are the observational units in your time management study?
A radio station that plays classical music has a "By Request" program each Saturday night. The percentage of requests for composers on a particular night are listed below:
A study is being conducted to see if swearing can help reduce pain. Each participant is asking to plunge their hand in ice as long as the pain would allow. In one condition, the participant repeatedly yelled their favorite curse word. In the other..
Consider a class in which there are 40 students enrolled. (In what follows, ignore February 29th) John is a student in this class. What is the probability that at least one other student in the class has John's birthday (Day and month, but not nece..
ATM center in Mumbai is random with an average rate of 1.3 customer per min. Assume the arrival follows a Poisson distribution, calculate the probability that: Not a single customer arrived in a minute.
Find the proportion of working days in which anywhere from 750 to 850 tons is mined. Find the probability that on a given day, the yield will be below 665 tons.
Suppose the budget has the support of 52% of the voters. What is the probability that the newspaper's sample will lead it to predict defeat?
find the sample size required to estimate the mean age of registered drivers in the united states. assume that we want
a survey of 131 investment managers in barrons big money poll revealed the followingbull 43 of managers classified
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