Questions and Answers
Which of the following is the correct 95% confidence interval for the true population proportion?
C. $p \pm 1.96\sigma(p)$
What is the probability that a 5 appears on the first dice if the sum of the two die faces is 9 or greater?
D. 1/2
How many combinations will be used for each cooking time if there are 3 different temperatures, 4 different cooking times, and 3 different oils?
B. 36
An urn is selected at random and a marble is drawn. If the probability of selecting Urn A is 1/3, Urn B is 1/2, and Urn C is 1/6, what is the probability of drawing a red marble?
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If the sum of the two die faces is 9 or greater, what is the probability that the first dice shows a 5?
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