(i) Find the probability that he makes his 10th point on his twelfth free throw. (ii) Find the mean, variance and standard deviation of X.

Q: Assume that the results are normally distributed. Pedro took an exam in a class in which the mean…

A: The formula for z-score is z = x - μσ where μ is the mean and σ is the standard deviation.…

Q: A student has taken a 50-point exam and wants to know how his score of 38 compares to the scores of…

A: It is given that Mean = 40 Standard deviation SD = 4 Score X = 38

Q: Score 15- 12- 6. 0. 9. 8. 9. 10 11 12 Ico 6. 3. Frequenoy

A: Form the given graph we have to find the standard deviation

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: Rude Drivers: Tailgating Do you tailgate the car in front of you? About 35% of all drivers will…

A: (c) The random variable r follows binomial distribution with parameters n=12 and p=0.35.

Q: The distribution of scores on a statistics exam is T(50, 60, 95). (a) Find the mean. (b) Find the…

A: Given dataDistribution of scores on a statistics exam is T(50, 60, 95).We have to findMeanStandard…

Q: Find the Z-Score for a IQ  test score of 142 when the mean is 100 and the standard deviation is 15.

A: It is given that the mean and standard deviation are 100 and 15, respectively. The IQ test score is…

Q: 2. Suppose that a continuous random variable X has PDF f(x) = }7 (1 – x²) -1<x<1 else

A:

Q: GET THE STANDARD DEVIATION

A: We have  intervals of age group as, .The sample mean for  age group. The total sample mean, =2.20.

Q: In a population of exam scores, a score of X = 88 corresponds to z = 2 and a score of X = 79…

A: From the provided information, A score of X = 88 corresponds to z = 2 A score of X = 79 corresponds…

Q: Question 1 The probability that a tutor will see 0, 1, 2, 3, or 4 students 0 | 1 2 3| 4 1 5 4 P(x)…

A: For x=3, P(X)=1-427+127+59+527                          =227

Q: Write down the formulas for the standard deviation of x.

A: The formula for the sample standard deviation can be written as: Here, n is the sample size and x̅…

Q: Find the percentile rank of someone who is 200 centimeters tall in a data-set with average 180…

A:

Q: Listed below are measured amounts of caffeine (mg per 12oz of drink) obtained in one can from each…

A:

Q: 5. 2.1, 4.6, 8.2, 3.4, 5.6, 8.0, 9.4, 12.2, 56.1, 78.2

A:

Q: The average sales price of single-family houses in Charlotte is $210,000 with a standard deviation…

A:

Q: 5. Given (kx? if z = 1, 2, 3, 4 P(x) = else sa probability function for a discrete random variable;…

A:

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

A: It is given that Mean of test scores = 1537 And SD = 315

Q: 90 85 75 76 81 76 75 76 76 96 89 88 73 81 93 76 76 96 89 88 73 81 89 74 74 74 76 86 75 96 79 73 86…

A: x x2 90 8100 85 7225 75 5625 76 5776 81 6561 76 5776 75 5625 76 5776 76 5776 96…

Q: standard deviation

A: If the random variable X follows a distribution with mean = μ and standard deviation = σ Then the Z…

Q: ind standard deviatio

A: Provided data is, High school students across the nation compete in a financial capability challenge…

Q: Find the mean and standard deviation of the waiting time for counter A and B.

A: The values for counter A are- 18, 21, 22, 23, 23, 24, 24, 25, 25, 25, 26, 30, 32, 34, 50 The values…

Q: A baker keeps count of the number of doughnuts sold each day for consecutive selected 15 days. The…

A: as per bartleby guideline expert have to answer first question three subpart only dear student…

Q: FInd the Dispersion (Range, Variance, Standard Deviation, Coefficient of Variation - whichever is…

A: Dispersion is the measure that used to summarize the information of the larger data set without…

Q: 1 2 3 4 5 6 7 XX 8 A B с College ID Accept rate (%) Grad rate (%) 1 5 96 5 97 6 95 8 98 10 96 10 94…

A: Given that: College ID Accept rate (%) Grad rate (%) 1 5 96 2 5 97 3 6 95 4 8 98 5 10…

Q: As the standard deviation increases A) The scores in the data set will become more different than…

A: We have to Given in above question, Standard deviations increases

Q: Assume that the results are normally distributed. Pedro took an exam in a class in which the mean…

A:

Q: eandre is in his first semester at a certain university and is taking a calculus course with a large…

A: According to the central limit theorem, the sampling distribution of the sample scores follows the…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000…

A: Let X be the random variable having probability mass function is,  Defects (x)  0 1 2 3 4 5…

Q: Find the variance and standard deviation. Round the variance to two decimal places and standard…

A: Given A binomial experiment has the given number of trials n and the given success probability p.…

Q: Karen scored a 76 on an exam whose mean is 74 and whose standard deviation is 8. Find her z score.

A: