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A door delivery florist wishes to estimate the proportion of
A door delivery florist wishes to estimate the proportion of people in his city that will purchase his flowers. Suppose the true proportion is 0.07.If 397 are sampled, what is the probability that the… read more
R.R. Jha
R.R. Jha
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Bachelor's Degree
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Suppose 58% of the doctors in America are dentists. If a
Suppose 58% of the doctors in America are dentists.If a random sample of size 425 is selected, what is the probability that the proportion of doctors who are dentists will be less than 63%? Round your… read more
R.R. Jha
R.R. Jha
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Bachelor's Degree
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Suppose 58% of the doctors in America are dentists. If a
Suppose 58% of the doctors in America are dentists.If a random sample of size 577 is selected, what is the probability that the proportion of doctors who are dentists will be less than 54%? Round your… read more
R.R. Jha
R.R. Jha
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Bachelor's Degree
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The population mean annual salary for environmental
The population mean annual salary for environmental compliance specialists is about $63,500. A random sample of 40 specialists is drawn from this population. What is the probability that the mean sala… read more
R.R. Jha
R.R. Jha
Bachelor's Degree
Bachelor's Degree
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I have a prob I need help with. Do you want to own your own
Do you want to own your own candy store? Wow! With some interest in running your own business and a decent credit rating, you can probably get a bank loan on startup costs for franchises such as Candy Express, The Fudge Company, Karmel Corn, and Rocky Mountain Chocolate Factory. Startup costs (in thousands of dollars) for a random sample of candy stores are given below. Assume that the population of x values has an approximately normal distribution. 90 177 128 96 75 94 116 100 85 (a) Use a calculator with mean and sample standard deviation keys to find the sample mean startup cost x and sample standard deviation s. (Round your answers to one decimal place.) x = thousand dollars s = thousand dollars(b) Find a 90% confidence interval for the population average startup costs μ for candy store franchises. (Round your answers to one decimal place.) lower limit thousand dollars upper limit thousand dollars … read more
Ryan
Ryan
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1.) A study of college football games shows that the number
1.) A study of college football games shows that the number of holding penalties assessed has a mean of 2.3 penalties per game and a standard deviation of 0.8 penalties per game. What is the probabili… read more
Chirag
Chirag
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 distributio… read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
a door delivery florist wished to estimate the proportion of
a door delivery florist wished to estimate the proportion of persons in his city that will purchase flowers. Suppose the true proportion is 0.04. If 250 are sampled, what is the probability that the s… read more
dhouse1940
dhouse1940
Retired
Master's Degree
625 satisfied customers
1) Suppose that the New England Colonials baseball team is
1) Suppose that the New England Colonials baseball team is equally likely to win any particular game as not to win it. Suppose also that we choose a random sample of 30 Colonials games. a) Estimate th… read more
Osbert12
Osbert12
Master's Degree
2,468 satisfied customers
Let x be a random variable that represents the weights in kilograms
Let x be a random variable that represents the weights in kilograms (kg) of healthy adult female deer (does) in December in a national park. Then x has a distribution that is approximately normal with… read more
suprabhatai
suprabhatai
Bachelor's Degree
479 satisfied customers
A courier service company wishes to estimate the proportion
A courier service company wishes to estimate the proportion of persons in various states that will use its service. Suppose the true proportion is 0.05. If 478 are sampled, what is the probability tha… read more
dhouse1940
dhouse1940
Retired
Master's Degree
625 satisfied customers
Consider the following Goofys fast food center wishes
Consider the following: Goofy's fast food center wishes to estimate the proportion of people in its city that will purchase its products. Suppose the true proportion is 0.06. If 493 are sampled, what … read more
Sandhya_sharma
Sandhya_sharma
Master's Degree
3,549 satisfied customers
Consider the following A door delivery florist wishes to
Consider the following: A door delivery florist wishes to estimate the proportion of persons in his city that will purchase his flowers. Suppose the true proportion is 0.07. If 305 are sampled, what i… read more
Sandhya_sharma
Sandhya_sharma
Master's Degree
3,549 satisfied customers
I need help ASAP with some statistics, I am completely lost
I need help ASAP with some statistics, I am completely lost and I only have 2 hours (7:10est) 1. Seventy million pounds of trout are grown in the U.S. every year. Farm-raised trout contain an average … read more
SusanAthena
SusanAthena
Master's Degree
Master's Degree
41 satisfied customers
1. The diameter of ball bearings produced in a manufacturing
1. The diameter of ball bearings produced in a manufacturing process can be explained using a uniform distribution over the interval 6.8 to 8.5 millimeters. The probability that a randomly selected ba… read more
Stevewh
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
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
Stevewh
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
QUESTION 6 True or False The probability that a standard
QUESTION 6 True or False: The probability that a standard normal random variable, Z, is between 1.50 and 2.10 is the same as the probability Z is between –2.10 and –1.50. True False QUESTION 7 For sam… read more
Greg
Greg
Master's Degree
1,292 satisfied customers
FOR SCOTT Suppose that pulse rates among healthy adults are
FOR SCOTT: Suppose that pulse rates among healthy adults are normally distributed with a mean of 81 beats/second and a standard deviation of 8 beats/second. What proportion of healthy adults have puls… read more
Scott
Scott
MIT Graduate
Master's Degree
16,043 satisfied customers
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