How fast was every one traveling during trip
Jones traveled 70 miles. Smith traveld 45 miles. Jones averaged five miles per hour more than Smith and the trip took 1/2 hour longer than Smith's. How fast was every one traveling?
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State University has no honors English course but instead places all freshman scoring at least 60 on proficiency exam (mean=50, standard deviation=10) in an advanced composition course. If the scores are normally distributed as well as there are 2
A biology quiz consists of eight multiple-choice questions. Five must be answered correctly to receive a passing grade. If each question has five possible answers, of which only one is correct, what is the probability that a student who guesses at
The probability that an airplane engine will fail in a transcontinental flight is 0.002. Supposing that engine failures are independent of each other, determine the probability that on a certain transcontinental flight, a six-engine plane will exp
A high leverage point is an observation that has an extreme value for which of the following?
Which of the following is not true with respect to the residuals in a least squares linear regression? The expected value of the residuals is 0.
A sporting goods manufacturer is developing the production schedule for two types of tennis racquets. An order has been received for 180 of the standard model and 90 of the professional model.
Debbie travelled by boat five miles upstream to fish in the favorite spot. Due to 6-mph current, it took her 20 minutes longer to get there than to return. How fast boat will go in still water?
Assume that we were going to conduct a study to find out if there is an reduce in risk of getting lung cancer based on whether the person eats strawberries several times a week.
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