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A personality test has a subsection designed to assess the "honesty" of the test-taker. Suppose that you're interested in the mean score, µ, on this subsection among the general population. You decide that you'll use the mean of a random sample of scores on this subsection to estimate µ. What is the minimum sample size needed in order for you to be 95% confident that your estimate is within 5 of µ? Use the value 20 for the population standard deviation of scores on this subsection.
The hypothesis that the samples came from identical populations cannot be rejected, the T value is 16.5 greater that the lower limit.
What is the intercept for the logistic regression equation and What is a 95% confidence interval for the odds ratio
Obtain the simple linear regression equation, then analyze the residuals by (a) constructing a histogram
Plan the scatter diagram
What is the probability that the cereal would be high calorie? In other words, what is P (high calorie)?
What control limits should be applied to his sample?
Using the .10 level of significance, can we conclude that the assembly time using the new method is faster?
P-value to test hypotheses,
A game involving a pair of dice pays you 3 with probability 17/36, costs you 2 with probability 14/36, and costs you 4 with probability 5/36. What is your probability of losing money in one play of the game?
Assume 1.5% of antennas on new Nokia cell phones are imperfect. For random sample of 200 antennas, determine the probability that: None of the antennas is defective.
Calculate the probability that the median of the sample or average medians is:
For thefts involving more than $1,000, there is an inverse relationship between the value of the goods stolen and the length of the prison sentence given to the thief.
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