You collect a random sample of 100 children and compute X¯X¯= 47.5 inches, the average height in inches. The sample standard deviation (s) equals 6 inches.  Conduct a two-sided hypothesis test where H0:  μ = 46 inches. Compute the p-value.

Q: Find the IQ Score.  IQ score  0.3446 Distributed with a mean of 100 and a standard deviation of 15.…

A: Given DataMean = 100Standard deviation = 15Probability of IQ score of adults = 0.3446

Q: ample of 3000 persons were surveyed for their walght in pounds, the mean weight is 135 lbs with a…

A:

Q: si fi 4 6 8 7 11 4 O A) 2,78 B) 7,29 OC) 3,32 D) 59,61 O E) 7,72

A:

Q: Carol-Anne is an environmental scientist studying the heights of red oak trees in a nearby marsh and…

A: It is given that the researcher randomly selected 10 red oak trees from each habitat and records the…

Q: A successful basketball player height is 203 cm. His converts to the z score of 4.10. How many…

A: Consider, X = 203  z-score = 4.10 z-score is a numerical value that tells the number of standard…

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A:

Q: According to a study done by UCB students, the height for Martian adults is normally distributed…

A: Given,mean(μ)=67standard deviation(σ)=2.3

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A: Given the Z score of height of basket ball player is 1.95. The original height of the basket ball…

Q: Using the formulas, calculate the (i) mean and (ii) standard deviation of X.

A: Let p be the probability of shot that scored points. Given that p = 61.3% = 0.613 Given that X= the…

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

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Q: The amount of advertising per hour of broadcast time has an average of 17 minutes and a standard…

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Q: A simple random sample of 100 observations was taken from a large population. The sample mean and…

A: Given that ,                    sample size n=100                    Mean u=80…

Q: A test score of 45 has an equivalent standard score (z-score) of 1.6. If the mean test score is 39,…

A: given dataraw score  x = 45standard score   z = 1.6mean μ = 39S.D.  σ = ?

Q: Convert score 46 to z-score if the mean is 40 and the standard deviation is 4.

A: The definition of a z-score is:   z = (X - μ) / σ

Q: A successful basketball player has a height of 6 feet 11 inches, or 211 cm. Based on statistics from…

A:

Q: art professor gives an A to any student in the top 9% of the distribution. The grades are normally…

A: Given X~N(mean μ=60, standard deviations σ=5) P(X>b)=9%

Q: Solar earned a score of 940 on a national achievement test. The mean test score was 850 wth a…

A: Given that  Solar earned a score of 940. The test scores are normally distributed. Mean test score…

Q: A standardized​ exam's scores are normally distributed. In a recent​ year, the mean test score was…

A: GivenMean(μ)=1457standard deviation(σ)=315

Q: Given the following set of data, determine 1, 2, 3, 4, 5, 4, 3, 2, 1, 0, 1

A:

Q: A successful basketball player has a height of 6 feet 3 inches, or 191 cm. Based on statistics from…

A: Since z-score is a measure of how far is the standard deviations away from the mean…

Q: The mean height of a population of men is 70.8 inches and the standard deviation is 3.2 inches. What…

A:

Q: Assume that adults have iq scores that are normally distributed with a mean of 98.2 and a standard…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 100.7 and a standard…

A: Given Data : Population Mean,μ = 100.7 Population Standard Deviation,σ = 18.9

Q: Two thousand students took an exam. The scores on the exam have an approximate normal distribution…

A: According to the provided infromation., μ=81 σ=5

Q: 4) On an exam with a mean of 75, you score an 80. Would you be in a better position if SD = 2 or SD…

A: For the distribution of the score in the exam, it is given that:The mean, μ=75Individuals's raw…

Q: the scores in a sample that has a standard deviation of z

A: The standard deviation is used to calculate the variability of the data set. It tells us about the…

Q: The scores of students on a standardized test form a normal distribution with a mean of 300 and a…

A: It is given that middle 50% of the data falls within 0.67 standard deviations from mean.That is, 50%…

Q: Brian scored an 80% on a Chemistry Exam. The average on the exam was a 68%, with a standard…

A:

Q: Calculate the standard deviation of the data.

A: The given data is as follows:…

Q: Jeff is doing an experiment involving mice. The mice weights have mean weight 3.74 ounces and…

A:

Q: A statistician wants to determine if there is a significant difference in the average height of male…

A: The null hypothesis is that there is no significant difference in the average height between males…

Q: S = 2722 - 16,900/7 7-1

A: The given equation is:

Q: Calculate the standard deviation of the data shown. X 29.2 14.3 5.4 7.6 19.3 14.4 Round your answers…

A: x x2 29.2 852.64 14.3 204.49 5.4 29.16 7.6 57.76 19.3 372.49 14.4 207.36 --- ---…

Q: A population of scores has a mean of 56. In this population, a raw score of 40 corresponds to a z…

A: Given Information: A population of scores has a mean of 56. μ=56 Raw score X = 40 corresponds to a z…