Allan, a Grade 12 senior high school student, wants to estimate the average number of students who will pursue collage degree in a certain school. How many sample sizes does he need, if he plans to use 98% confidence, 0.5 as the margin of error, and a standard deviation of 5. a. 542 b. 543 c. 540 d. 533

Q: a successful basketball player has a height of 6 feet 9 inches, or 206 cm. Based on statistics from…

A: Given,           Z -score=4.45           A basket ball player has a height of  6 feet 9…

Q: For a population, the mean is 275 yards with a standard deviation of 73 yards. Determine the…

A: To determine the probability of a sample of 30 having a mean of 285 yards or lower, we can use the…

Q: Two out of 8 students at a local college say that they skip dinner in the evening. Find the mean,…

A: Given that  Success of probability p =2/8=0.25 Number of trials n=20 X~binomial (n,p)

Q: If you have 100 people in your sample, what would be the degrees of freedom you use to calculate the…

A: Given, n=100 Degree of freedom(df)=?

Q: Jeff is doing an experiment involving mice. The mice weights have mean weight 3.68 ounces and…

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Q: A successful basketball player has a height of 6 feet 2 ​inches, or 188 cm. Based on statistics from…

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

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: A gym class is taking a fitness test. The gym teacher is recording how many sit-ups the participants…

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Q: Determine the sample standard deviation.

A: Given  29.6 32.4 38.7 42.4 44.5 46.4 49.0 60.8 70.2 Now sample size (n) = 9…

Q: A statistician was exploring a set of data representing a group of 121 women.  The mean was 49 and…

A: Sample size, n = 121 Mean = 49 Variance σ2 = 9 We have to find the standard deviation.

Q: The mean number of travel days per year for salespeople employed by three hardware distributors…

A: Sample size: Sample is the part of the population that will help us to draw the inference about the…

Q: In a random sample of 50 adults, the mean body mass index (BMI) was 27.7 and the standard deviation…

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Q: A football coach claims that the average weight of all the opposing teams’ members is 210 pounds.…

A: Consider that μ is the true average weight of all the opposing teams’ members.

Q: Use a formula to find the standard deviation of the sample 1, 4, 5, 6.

A: We have given that,  The data set of the sample is,  1, 4, 5, 6 Then,  We will find the standard…

Q: Calculate the mean and median of the data. Find the standard deviation and coefficient of variation…

A: As per our guidelines we can solve first three subpart and rest can be reposted. Solution-: Our aim…

Q: The board of examiners that administers the real estate broker's examination in a certain state…

A: Given, Mean = μ=440SD=σ=72Probability = 0.1

Q: The percent fo Coloradans that own a Subaru is 56%. If you were to take a random sample of size 70,…

A: We have given that,  Let X be the random variable from binomial distribution with probability (p) =…

Q: flight attendant wants to know how many children fly on her route every day. She has a dataset with…

A: In statistics, three measures of central tendency are widely used. These three measures are also…

Q: For a random sample of 10 men, the mean head circumference is x-bar= 57.3 cm and the sample standard…

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Q: A concierge is interested in how long it takes to bring passengers to the airport and then return to…

A: (a) First we calculate the mean; The table of calculations is provided below; No. x (x-x¯)2 1…

Q: A statistics class of 40 students took a quiz. The highest possible score was 4 points. 10 students…

A: Given that there are 40 students took a quiz. 10 students scored 4 points, 12 students scored 3…

Q: The average person uses 130 gallons of water daily. If the standard deviation is 35 gallons , find…

A: Given that, Mean = 130 Standard deviation = 35 Sample size = 25

Q: If the range of a data set is 64, find the approximate value of the standard deviation, using the…

A: Given information- Range = 64 We have to find the approximate value of the standard deviation using…

Q: With the extra data value,  the range, standard deviation, and variance is?

A: Given data: 3.31 2.79 2.83 1.97 1.69 2.54 2.46 3.44 3.93 1.59 2.86 1.61 2.57 4.02 2.49 2.42…

Q: You would like to estimate the variance and standard deviation for credit scores based on FICO.…

A: Construct the 95% confidence interval estimate for the variance of credit scores Obtain the critical…

Q: SHS Principal wishes to estimate the average number of hours that Grade 11 students study each week.…

A: Given that  Population standard deviation =2.6 Margin of error =E =0.5 99% confidence.

Q: You have a sample of 48 randomly selected Vancouverites. On average (the sample mean), the people in…

A: Given information: Minimum = 367 Maximum = 484 x¯=425, n=48

Q: Jeff is doing an experiment involving mice. The mice weights have mean weight 2.37 ounces and…

A:

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

A:

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

A:

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

A: Given,a basketball player has a height of 6 feet 3 inchesand the Z-score =2.31

Q: A successful basketball player has a height of 6 feet 4 ​inches, or 193 cm. Based on statistics from…

A: