Calculus and Above

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A particular fruit's weights are normally distributed, with
A particular fruit's weights are normally distributed, with a mean of 337 grams and a standard deviation of 31 grams.If you pick 6 fruits at random, then 19% of the time, their mean weight will be gre… read more
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The lengths of pregnancies in a small rural village are
The lengths of pregnancies in a small rural village are normally distributed with a mean of 267 days and a standard deviation of 13 days.In what range would you expect to find the middle 50% of most p… read more
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The lengths of pregnancies are normally distributed with a
The lengths of pregnancies are normally distributed with a mean of 263 days and a standard deviation of 30 days. If 144 women are randomly​ selected, find the probability that they have a mean pregnancy between 263 days and 265 days. … read more
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The lengths of pregnancies are normally distributed with a
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The average number of calories in a 1.5 ounce chocolate bar
The average number of calories in a 1.5 ounce chocolate bar is 250. Suppose that the distribution of calories is approximately normal with standard deviation 10. Find the probability that a randomly s… read more
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Math The lengths of pregnancies are normally distributed
Math The lengths of pregnancies are normally distributed with a mean of 268 days and standard deviation of 15 days find the probability of a pregnancy lasting 307 days or longer? Round to four decimal… read more
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The lengths of pregnancies are normally distributed with a
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The weights of steers in a herd are distributed normally.
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Suppose the lengths of the pregnancies of a certain normally
suppose the lengths of the pregnancies of a certain normally distributed with mean equals 273 and standard deviation sigma equals 27. what is the probability that a randomly selected pregnancy lasts l… read more
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Determine the area under the standard normal curve that lies
Determine the area under the standard normal curve that lies between ​(a) Upper Z equals negative 0.12 and Upper Z equals 0.12​, ​(b) Upper Z equals negative 1.74 and Upper Z equals 0​, and ​(c) Upper… read more
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1. Find the indicated z score. The graph depicts the
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1.Medelian genetics. When Mendel conducted his famous genetic
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(3) An analyst processes one item every 30 minutes, so 16 items
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Total cholesterol levels of a sample of men aged 35-44 are
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Explain what a “sampling distribution of sample means” is.
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Assume womens heights are normally distributed with a mean
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1.Assume that the weight loss for the first month of a diet
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