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Question 1: A sample space consists of 64 separate events that are equally likely. What is the probability of each?
Question 2: A bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, what is the probability that it is blue.
Question 3: Suppose you have an extremely unfair coin: The probability of a head is and the probability of a tail is. If you toss the coin 32 times, how many heads do you expect to see.
The article should include a margin of error and confidence interval. Discuss the subject matter in the article, and interpret the results and what the confidence interval and margin of error mean as they apply to the specific subject matter.
Assume the distribution of amounts purchased follows the normal distribution. For a sample of 50 customers, answer the following questions. What is the likelihood the sample mean is at least $25.00?
What percent of the SAT verbal scores are less than 675? If 1000 SAT verbal scores are randomly selected about how many would you expect to be greater than 575?
You want to create a 90% confidence interval for the true average number of yards per game he throws. What is the margin of error for this estimate?
Cough-a-Lot children's cough syrup is supposed to contain 6 ounces of medicine per bottle. However since the filling machine is not always precise, there can be variation from bottle to bottle. The amounts in the bottles are normally distribut..
To compile the record chart it is necessary to know the correct average weekly sale to within 1% of its true value. How large a sample size is required?
Compute the appropriate Test Statistic to test null hypothesis that mean of population is 4.3 against alternative hypothesis μ ≠ 4.3.
the average travel time to work for new york city residents is 36.5 minutes time almanac 2001. assume that the
A sample of 25 concession stand purchases show a mean purchase of $5.29 with a standard deviation of $3.02. However, a later showing of the same movie, a sample of 25 purchases where the mean was $5.12 with a standard deviation of $2.14.
Your friend also takes the test and obtains a score of 161.42 and is told that he is in the 22.8th percentile. What is overall mean and standard deviation of the test scores?
What is the 95 percent interval for the population mean?
The distance (in miles) are as follows:32,18,44,29,25,38,14,21,and 12. Estimate the mean commute distance of all employees of the company.
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