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1. Two balanced dice are rolled and the number of dots facing up is added. Find the probability that the sum is 10 or 12.
2. Two balanced dice are rolled to see the number of dots facing up. Find the probability of observing
a) Six dots on both the dice.
b) Six dots on the first die or six dots on the second die.
Find a 90% confidence interval for the population mean weight of all such turtles.
One-way Analysis of Variance (ANOVA) test - How many treatments are there and What is the total sample size?
Visits to Web sites. What kinds of Web sites do males aged 18 to 34 visit most often? Pornographic sites take first place, but about 50 percent of male Internet users in this age group visit an auction site such as eBay at least once a month. Inte..
Suppose that you are conducting a survey of customer satisfaction regarding their cellular phone. If you called 11 households selected at random, what is the probability that:
At the 0.10 significance level, can we conclude that the annual rates of return are higher on the big board?
Determine equation in point-intercept form for line that goes through points (8,-1) and (4,3).
If we wanted to shorten the interval of the estimation of the true mean of Saturday sales to a width of $600 in total, what should the size of our sample be to achieve it?
In a survey of the 3000 boy scouts in the National Capital Area Council (NCAC), it is found that they have a mean weight of 135 lbs with a standard deviation of 15 lbs. How many of the boy scouts have weights between 120 lbs and 150 lbs.?
Compare his performance on the two tests in terms of percentile ranks. In which exam did he do better? Please show computations and discuss.
What can you say about the effect of sample size on confidence intervals?
In Excel, which of the following functions is used to conduct a hypothesis test (using the p -value) for a population variance
Assume that a simple random sample has been selected from a normally distributed population. Find the test statistic, P-value, critical value(s), and state the final conclusion.
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