Suppose the heights of students in a class follows normal distribution. The mean is 60inches and the standard deviation is 5 What is the probability that the data point observed is at most 68?                             What is the probability that the height will fall in between 56-68 inches?                             Which of the following intermediate step is involved in finding probability that a randomly selected student height is less than 62 inches?

Q: A manufacturer knows that their items have a lengths that are skewed right, with a mean of 19.4…

A: Solution :  Mean = 19.4 Standard deviation = 2.8 Sample size = 36 P(xbar > 18) z-statistic: (xbar…

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A: Solution: Let X be the diastolic blood pressure of adult men. From the given information, X follows…

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A: From the given information,   Mean  = 35 Standard deviation = 7.5   The objective is to find the…

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Q: Suppose the grades in a mathematics class are Normally distributed with a mean of 75 and a standard…

A: Introduction :-  Here the grades in a mathematics class are Normally distributed with a mean of 75…

Q: The average number of moves a person makes in his or her lifetime is 12. If the standard deviation…

A: From the provided information, Mean (µ) = 12 Standard deviation (σ) = 3.2 Sample size (n) = 36 a)…

Q: A set of final examination grades in an introductory statistics course is normally​ distributed,…

A: Let "X" be the final examination grades in an introductory statistics course. Find z-value: Note…

Q: A Nielsen Company report states that the mean number of TV sets in a U.S. household is 2.24. Assume…

A: Solution: Given information: n= 85 Sample size  μ= 2.24 Population mean σ=1.2 Population standard…

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A: Given data: Mean = $6.54 million Standard deviation = $10.45 million Sample size  = 73 To find: what…

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A:

Q: Suppose it is known that 80% people own a cellphone. If a random sample of 100 people were surveyed,…

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Q: . Sunshine City was designed to attract retired people, and its current population of 50,000…

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Q: In a study of work patterns, data from 669 subjects were collected. For the time spent in child…

A: We have given that,  Let X be the random variable from normal distribution with mean (μ) = 23.08,…

Q: Suppose that the speed at which cars go on the freeway is normally distributed with mean 79 mph and…

A: Given Data Population Mean,μ = 79.0 Population Standard Deviation,σ = 6.0

Q: The entrance test scores for SHS in a certain school has a mean of 85 and a standard deviation of…

A:

Q: If the grades on a statistics test are normally distributed with a mean of 80 and a standard…

A: Introduction: Define X as the grade of a randomly selected student. It is given that X has a normal…

Q: According to the Nielsen Company, the mean number of TV sets in a U.S. household in 2013 was 2.24…

A: Mean = 2.24 Standard deviation = 1.3 Sample size = 95

Q: Suppose that the miles-per-gallon (mpg) rating of passenger cars is a normally distributed random…

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Q: The average public elementary school has 468 students with a standard deviation of 87. If a random…

A: Given: Mean=μ=468 Standard deviation=σ=87

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Q: Rivers Casino did an audit of all of their blackjack tables and found that the amount of money…

A: According to the provided information, μ=$6000σ=$200

Q: The heights of North American women are normally distributed with a mean of 64 inches and a standard…

A: Given data The heights of north American women are normally distributed with mean of 64 inches and a…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 13 inches,…

A:

Q: Suppose the mean weight of school children's book bags is 17.5 pounds, with standard deviation 2.2…

A: Given problem Given that   The mean weight of school children's book bags = μ = 17.5 pounds…

Q: A manufacturer knows that their items have a lengths that are skewed right, with a mean of 15.2…

A: Given, n=41 which is greater than 30 which implies that the Here,

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A: Mean = 1200 Standard deviation = 600

Q: A professor at a university gives her large class an examination and finds that the scores follow…

A:

Q: If the grades on a statistics test are normally distributed with a mean of 80 and a standard…

A: The probability is equal to the area under the curve of normal distribution. So the probability that…

Q: Suppose the heights of students in a class follows normal distribution. The mean is 60 inches and…

A:

Q: A set of final examination grades in an introductory statistics course is normally​ distributed,…

A: Let "X" be the grades of final examination. Use excel formula "=NORM.S.DIST(1.5714, TRUE)" to…

Q: 1. Suppose the height of a tomato plant follows a normal distribution with a mean of 74.5…

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Q: Suppose the heights of 18 year old men are approximately normally diatributed, with mean 67 inches…

A: Mean = 67 Standard deviation = 5

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A: Answer: - Suppose the temperature during the month of June is normally distributed with…

Q: A manufacturer knows that their items have a normally distributed length, with a mean of 11 inches,…

A: Given :  sample mean = 11             standard deviation of samples=1.722=0.3624412178…

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A: Given data,μ=21σ=10P(15<X<25)=?

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A: Note: Please repost remaining subparts as i can answer only 3 subparts as per my policy Given data,…

Q: Suppose the heights of students in a class follows normal distribution. The mean is 66 inches and…

A: It is given that the mean is 66 inches and the standard deviation is 5 inches.

Q: 3. Suppose that the IQ scores of Grade 11 students of OSFI is normally distributed with a mean of…

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Q: The ages of students in an evening stained glass making class at a community college are normally…

A: It is given that the mean is 28 and standard deviation is 3.5.

Q: Suppose that the mean daily viewing time of television is 8.35 hours per household. Use a normal…

A: a. Given that the mean daily viewing time of television is 8.35 hours and standard deviation of 2.5…

Q: A set of final examination grades in an introductory statistics course is normally​ distributed,…

A: Here, µ = 72, σ = 9.

Q: A manufacturer knows that their items have a lengths that are skewed right, with a mean of 11.1…

A:

Q: Suppose the heights of 18 year old men are approximately normally distributed, with mean 71 inches…

A: The normal distribution is the most useful theoretical distribution for continuous variables. For…

Q: The heights of 18 year-old men are approximately normally distributed, with a mean 68 inches and a…

A: The random variable height follows normal distribution. The population mean is 68. The population…

Q: A manufacturer knows that their items have a lengths that are skewed right, with a mean of 19.6…

A: Given Data Population Mean,μ = 19.6 Population Standard Deviation,σ = 2.6 sample…

Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5, if a sample…

A: Given dataMean = 35Standard deviation = 7.5Sample size (n) = 40probability that the sample mean will…

Q: Suppose that IQ scores of Grade 11 students of Abuyog Academy is normally distributed with a mean of…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.