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Assume that the heights of men are normally distributed with
Assume that the heights of men are normally distributed with a mean of 69.2 inches and a standard deviation of 4.7 inches. If 16 men are randomly selected, find the probability that they have a mean h… read more
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The population mean annual salary for environmental
The population mean annual salary for environmental compliance specialists is about ​$63,000. 63,000. A random sample of 34 34 specialists is drawn from this population. What is the probability that t… read more
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again, i need some help with this statistics homework
Hello again, i need some help with this statistics homework once more. I have 13 questions, and for questions 11 and 12 I have a screenshot of the problem but i am not sure how i would be able to send… read more
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#1 Womens heights are normally distributed with mean 63.6
#1 Women's heights are normally distributed with mean 63.6 in. and standard deviation of 2.5 in. A social organization for tall people has a requirement that women must be at least 69 in. tall. What p… read more
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1.Assume the readings on thermometers are normally distributed
1.Assume the readings on thermometers are normally distributed with a mean of 0 degrees C and a standard deviation of 1.00 degrees C. Find the probability that a randomly selected thermometer reads be… read more
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1. If Z is a standard normal variable, what is P(Z 0 .97)
1. If Z is a standard normal variable, what is P(Z 0.59)? (Points : 7) 0.2190 0.2776 0.7224 0.2224 3. If Z is a standard normal variable, what is the probability that Z is greater than -1.82? (Points … read more
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Assume that the population of heights of male college students
Assume that the population of heights of male college students is approxiamtely normally distributed with mean of 69.09 inches and standard deviation of 4.7 inches. A random sample of 92 heights is ob… read more
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a survey was conducted to measure the height of men. in the
a survey was conducted to measure the height of men. in the survey, respondents were grouped by age. In the 20-29 age group, the heights were normally distributed, with a mean of 68.2 inches and a sta… read more
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Assume that the heights of women are normally distributed with
Assume that the heights of women are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. If 100 women are randomly selected, find the probability that they have a m… read more
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What is the probability that the average height of a sample
What is the probability that the average height of a sample of ten 18-year-old men will be less than 70 inches? Round your answer to four decimal places.… read more
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Assume that the population of heights of male college students
Assume that the population of heights of male college students is approximately normally distributed with mean m of 68 inches and standard deviation s of 3.75 inches. A random sample of 16 heights is … read more
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3.The diameters of oranges in a certain orchard are normally
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Consider a binomial distribution with 14 identical trials,
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Assume that the heights of men are normally distributed with
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Hi, Please any help will be appreciated. Use the normal
Hi, Please any help will be appreciated. Use the normal distribution od SAT critical reading scores for which the mean is 508 and the standard deviation is 120. Assume the variable x is normally distr… read more
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Suppose the height of a population is normally distribution
Suppose the height of a population is normally distribution with a mean of 69.2 inches and a standard deviation of 9.2 inches. A member of this population is randomly selected. Find the probability th… read more
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1.a vending machine dispenses coffee into a twenty ounce cup.
1.a vending machine dispenses coffee into a twenty ounce cup. The amount of coffee dispensed into the cup is normally distributed with a standard deviation of 0.06 ounce. You can allow the cup to over… read more
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4. Consider a binomial distribution with 15 identical trials
4. Consider a binomial distribution with 15 identical trials, and a probability of success of 0.5 a. Find the probability that x = 2 using the binomial tables b. Use the normal approximation to find t… read more
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