Assume a mean of 105 papers and a standard deviation of 15 papers. Pays 40¢ for each paper, paper sells for 90¢, how many papers should the newsperson carry. 108 109 105 110

Q: An agronomist measured the height of 115 Canola plants. The mean height was 242 cm and the standard…

A: The mean is 242 cm and the standard deviation is 14 cm.

Q: For 5 year old children, the mean weight is 51.01 pounds with a standard deviation of 3.98 pounds.…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)σ. Here, µ and σ are the mean…

Q: The height of an adult male is known to be normally distributed with of mean of 69 inches and a…

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Q: Salespeople for a car sales company have an annual sales average of $225,000, with a standard…

A:

Q: 3) The records kept by a large department store indicate that, in the past, weekly sales have…

A:

Q: The price of stock A has a higher standard deviation than the price of stock B.  This tells that:…

A: We have given that the statement “The price of stock A has a higher standard deviation than the…

Q: HEART TRANSPLANT WAITING TIMES: The time spent (in days) waiting for a heart transplant for people…

A: Obtain the standard z-score for the random variable X equals 220.   The standard z-score for the…

Q: A manufacturing company that produces light bulb found out that the mean life span of the bulb is…

A: Answer: Option a. 99.91%.   Explanation: A manufacturing company that produces light bulb found that…

Q: The mean height for women in the United States is approximately 64.5 inches with a standard…

A: Formula : Z =(X - μ)/σ

Q: A diet clinic states that there is an average loss of 24 pounds for those who stay on the program…

A: For the given data use z test for one sample mean

Q: he mean life of a battery is 50 hours with a standard deviation of 7 hours. The manufacturer…

A: Given data,Mean μ=50standard deviation σ=7P(X<40)=?

Q: use the following information for the question. The average travel time to work for a person living…

A: Let X denote the distribution of travel time and it follows normal distribution with mean of μ=17…

Q: An airline charges $25 for the first bag, $35 for the second bag 54% have no checked baggage,  34%…

A:

Q: Find the mean absolute deviation of the fulfilled items on Sherrie's registry. $29 , $58, $15, $129,…

A:

Q: Suppose the mean percentage in Algebra 2B is 70% and the standard deviation is 8%. What percentage…

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Q: "The weights of 1,000 children, in average, is 64kg with standard deviation of 18kg. Suppose the…

A: Given that n=1000, mu =64 ,s.d =18 ,p(x<59 ) =?

Q: Salespeople for a solar technology company have average annual sales of $300,000, with a standard…

A: From the provided information, Mean (µ) =300000 Standard deviation (σ) = 20000 X ~N (300000, 200000)

Q: What​ women's height corresponds to a​ z-score of −1.80​? b. Professional basketball player Evelyn…

A: It is given that For men, mean = 64, and SD = 2.5 For women, mean = 73, and SD = 2

Q: In physics examination, the mean grade is 80 and the standard deviation is 5. a. Find the…

A: Solution-: Given:  Let, X- Score (grades) of examination (a) Find the corresponding z-scores of two…

Q: In a large sample of customer accounts, a utility company determined that the average number of days…

A: Empirical rule: About 68% of data lies within the first standard deviation of the mean. About 95%…

Q: On average 16 customers are served per hour in a bank serving point. What is the mean and standard…

A:

Q: Which would you expect to be the larger standard deviation: a. The standard deviation of the weights…

A:

Q: se M has a mean of 1,417.31 and a standard deviation of 67.54. The mean number of orders per day is…

A: Given: Mean of orders of warehouse M=1417.31Standard deviation of orders of warehouse M=67.54 Mean…

Q: Determine whether each statement below is true or false.   About 95% of the data lies within three…

A: From the provided information, The statement is that about 95% of the data lies within three…

Q: Find the probability that a randomly selected year of rain in Sydney, Australia has a yearly…

A: Given Population mean μ=137, population standard deviations σ=69, Let X be the rain in Sydney Note:…

Q: Residents of an apartment send emails to the landlord on average, every 4 minutes, the standard…

A: Resident Sending an email to landlord  Mean 4 Standard Deviation 12 The landlord spends time…

Q: A professor at a local university noted that the exam grades of her students were normally…

A: Given,mean(μ)=73standard deviation(σ)=11

Q: A nutritionist claims that the mean tuna consumption by a person is 3.6 pounds per year. A sample of…

A: Given, A nutritionist claims that the mean tuna consumption by a person is 3.6 pounds per year. A…

Q: An upscale women's clothing boutique in Laguna Beach, on average, has daily sales of $28,176.44. The…

A:

Q: the number of cookies in a shipment of bags are normally distributed with a mean of 64 and a…

A: Given that.   X~N( μ , ?^2 )   μ=64     , ?=4   Z-score =( x - μ )/?

Q: 4. Which of the following lists has the greatest standard deviation? a. 96 99 b. 2 100 101 103 4 6.…

A: For list a) x (x-x) (x-x)2 96 -3.8 14.44 99 -0.8 0.64 100 0.2 0.04 101 1.2 1.44 103 3.2…

Q: The heights of adult men on an island in the Pacific are approximately normal with an average height…

A: Let x be the heights of adult men on an island in the Pacific which is approximately normal with…

Q: In a large sample of customer accounts, a utility company determined that the average number of days…

A:

Q: The average salary of bank managers in a certain city is $85,600 pesos per hour with a standard…

A: The standard deviation is used to measure the deviation from the mean. The z score is used to…

Q: An investigator predicts that dog owners in the country spend more time walking their dogs than do…

A: Given : Country Owners : n = 21 x1 = 15s1 = 4 City Owners : n = 23 x2 = 10s2 = 3

Q: A nutritionist claims that the mean tuna consumption by a person is 6 pounds per year. A sample of…

A:

Q: According to a study, the salaries of registered nurse are normally distributed with a mean of 56310…

A: Given,mean(μ)=56310standard deviation(σ)=5038

Q: Assume that​ women's heights have a distribution that is symmetric and​ unimodal, with a mean of 64…

A: As per the multiple questions rule, answering first question. Please repost the second question…

Q: In a recent survey,80% of the community favored building a health center in their neighborhood.…

A: Obtain the standard deviation of the numbers favorite the health center.   The standard deviation of…

Q: A medical staff who knows statistics is concerned with the weights of babies. What's the minimum…

A: Given that: Standard deviation = = 7 margin of error = E = 2.1 At 97% confidence level the z is ,…

Q: Six different second-year medical students at Bellevue Hospital measured the blood pressure of the…

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Q: Calculate the mean median mode and standard deviation of the data 21,30, 27, 30, 25

A: Given data is21,30,27,30,25sample size(n)=5

Q: The mean number of birth of babies over a 7 month period in Ibri is 106 and the coefficient of…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The mean IQ of 200,000 current and past University of Manitoba students has been found to be 81.9.…

A: Given: Population mean μ=81.9 Population standard deviation σ=13.1 Number of people in 2016 = 29987…

Q: A final exam in Math 160 has a mean of 73 and with a standard deviation of 7.8. find the mean of…

A:

Q: The time spent waiting for a liver transplant for people aged 28-42 in a recent year followd a…

A: The time spent waiting for a liver transplant for people aged 28-42 in a recent year followd a…

Q: On average, accountants earn approximately an average of $6500 per year in the United States. Assume…

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Q: Use Z-scores to determine which is a better relative golf score (remember that in golf, lower scores…

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Q: The mean weight of 1000 students at a certain high school is 140 pounds and the standard deviation…

A: Assuming that the weights are normally distributed.

Q: Valentina obtained a score of 75 in a science exam and 90 on her English exam. on which test did she…

A: