Calculus and Above

Related Calculus and Above Questions
According to a survey, high school girls average 100 text
According to a survey, high school girls average 100 text messages daily (The Boston Globe, April 21, 2010). Assume the population standard deviation is 20 text messages. Suppose a random sample of 50… read more
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Im so sorry again!!! I meant to send you this one At a large
Im so sorry again!!! I meant to send you this one At a large publishing company, the mean age of proofreaders is 36.2 years and the standard deviation is 3.7 years. Assume the variable is normally dis… read more
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Master's Degree
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Suppose the heights of 18-year-old men are approximately
Suppose the heights of 18-year-old men are approximately normally distributed, with mean 69 inches and standard deviation 1 inches. (a) What is the probability that an 18-year-old man selected at rand… read more
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A courier service company wishes to estimate the proportion
A courier service company wishes to estimate the proportion of people in various states that will use its services. Suppose the true proportion is 0.04.If 469 are sampled, what is the probability that… read more
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Suppose babies born in a large hospital have a mean weight
Suppose babies born in a large hospital have a mean weight of 4088 grams, and a variance of 55,696.If 128 babies are sampled at random from the hospital, what is the probability that the mean weight o… read more
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Assume the random variable X has a binomial distribution
Assume the random variable X has a binomial distribution with the given probability of obtaining a success. Find the following probability, given the number of trials and the probability of obtaining … read more
R.R. Jha
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Is a steel bolts manufacturing company. Their current steel
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 125 millimeters, and a variance of 49.If a random sample of 41 steel bolts is selected, … read more
Sandhya_sharma
Master's Degree
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Is a steel bolts manufacturing company. Their current steel
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 130 millimeters, and a variance of 64.If a random sample of 34 steel bolts is selected, … read more
Sandhya_sharma
Master's Degree
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Is a steel bolts manufacturing company. Their current steel
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 143 millimeters, and a variance of 64.If a random sample of 32 steel bolts is selected, … read more
Sandhya_sharma
Master's Degree
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Is a steel bolts manufacturing company. Their current steel
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 135 millimeters, and a variance of 64.If a random sample of 46 steel bolts is selected, … read more
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Master's Degree
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Is a steel bolts manufacturing company. Their current steel
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 125 millimeters, and a variance of 49.If a random sample of 41 steel bolts is selected, … read more
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Find the standardized variable Z if X has Mean 48 and standard
Find the standardized variable Z if X has Mean 48 and standard deviation 9. Your answer: Z = (X - ) / Open Show Work Find the standardized variable Z if X has Mean 157 and variance 36. Your answer: Z … read more
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Chapter 6 00. The average rent in a city is \$1,570 per month
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"For Guru2009 only" 1. A random sample of fifty-five 200-meter
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5.25 When a customer places an order with Rudys On-Line Office
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1.) Suppose we wish to estimate the mean of the property tax
1.) Suppose we wish to estimate the mean of the property tax on houses in a certain area from a sample of 32 houses. The point estimate of the the population of houses in the area is 8688.44 Assuming … read more
SusanAthena
Master's Degree
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1.Assume that the weight loss for the first month of a diet
1.Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution… read more
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Master's Degree
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Hi Susan. I have some more problems I need some help with... ***
Hi Susan. I have some more problems I need some help with... *** For problems requiring computations, please ensure that your Excel file includes the associated cell computations and/or statistics out… read more
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Master's Degree
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