Mathematics, 13.12.2021 14:00 pr4ever
The distribution of the scores on a standardized exam is approximately normal with mean 400
and standard deviation 35. What percentage of scores lie between 433 and 475? Round your
Answer to the nearest hundredth
answer to the nearest hundredth.
Answers: 3
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Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.
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Robert has 78 tomatoes and 56 cucumbers he wants to plant them in equal rows how many in each row
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People end up tossing 12% of what they buy at the grocery store. assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a. calculate the mean and the standard error for the sample proportion p. b. describe the sampling distribution of p in part a. draw a graph of this probability distribution with its mean and standard deviation. what is the probability that your survey will provide a sample proportion more than 15%? c. d. population proportion? what is the probability that your survey will provide a sample proportion within + 0.03 of the
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Mathematics, 22.06.2019 04:30
If f(x)=x^2- 4 and g(x)=x^2 plus 2 x, (c) (f-/3) = ? (simplify your answer.)
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The distribution of the scores on a standardized exam is approximately normal with mean 400
and st...
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