What is the chance they will have a score at least 1900? (Give your answer in decimal form to 4 places, like .0304 or .1421)

Q: Use the sample mean(78.5)and sample standard deviation (12.3671)in your calculations below. Use…

A: Given that:

Q: You throw a ball as far as you can 5 times, recording the distance for each throw: 165 feet, 184…

A: since only 5 observation is given we will consider them as sample (n = 5)and population (N = 100)…

Q: he distribution of heights of adult males has a mean of 69 inches and a standard deviation of 4…

A: Solution-: Let, X= The distribution of heights of adult males Given: (inches) We find, P[ he…

Q: A state administered standardized reading is given to eighth grade students. The scores for all…

A: Mean(μ)=517 Standard deviation(σ)=63

Q: A class of 30 62.171 students took a quiz worth 50 points. The standard deviation of the scores was…

A: Standard deviation of sample is given by

Q: A data set is formed by recording the sums in 400 rolls of a pair of a dice. A second data set is…

A: Standard deviation:The standard deviation indicates by how much each observation differs from a…

Q: Use z scores to compare the given values. The tallest living man at one time had a height of 254 cm.…

A:

Q: In a Statistics examination, the mean score is 82 and the standard deviation is 3.5. If the teacher…

A:

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: ng man

A: Given that Tallest living man height (X1) = 238 Mean Heightμ=176.25 Standard deviationσ = 6.32 Z…

Q: Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the…

A: Solution: It is given that, Population mean, 70 Standard deviation, 5 Given that Cody took his first…

Q: Suppose the mean height in inches of all 9th grade students at one high school is estimated.

A: Population standard deviation, σ =3 inches Sample size n=6

Q: Find the probability that a sample of 18 has a sample mean below 32. The population mean is 24 and…

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: Suppose, you play a game, and the result is simply "win" or "lose". For every 15 games played, you…

A:

Q: Use z scores to compare the given values. The tallest living man at one time had a height of 247 cm.…

A: Given information- Population mean, µ = 177.86 cm Population standard deviation, σ = 6.69 cm Height…

Q: The average and standard deviation for ACT scores are 20 and 3 respectively. average and standard…

A:

Q: You want to determine the probability that when seven consumers are randomly selected, exactly two…

A: 1. n = 7, x = 2, p = 0.45, q = 0.552. Mean, μ = 3.15    Standard Deviation, σ = 1.31623. P(X = 2) =…

Q: High school girls average 80 text messages daily. Assume the population standard deviation is 15…

A: Given information:

Q: The average score of this quiz is 24 points with a standard deviation of 1.5 points. What is the…

A: Let us assume that X=score of a quizX follows a normal distribution with mean=24 and standard…

Q: Use z scores to compare the given values. The tallest living man at one time had a height of 234…

A:

Q: Marcos took the EnggMath3 exam decided to guess on a 10-item multiple choice. Each problem has 5…

A: # x be the no of answers correct follow binomial distribution (n=10, p=1/5)  1): then to find…

Q: 500 freshmen at Arundel University took part in a math comprehension test. The scores were normally…

A: From the provided information, Mean (µ) = 75 Standard deviation (σ) = 7 Let X be a random variable…

Q: Gülce spends 8 hours for Roblox per day. If the probability of spending less than 6 hours in a…

A:

Q: ... Since the z score for the tallest man is z = and the z score for the shortest man is z = | , the…

A: The tallest living man at one time had a height of 238 cm. The shortest living man at that time had…

Q: Listed below are the top 10 annual salaries (in millions of dollars) of TV personalities. Find the…

A: As per company guidelines, I solved exactly three subparts of the question. Given data: 42, 41, 39,…

Q: A sandwich shop claims to sell sub sandwiches that are 12 inches lona. An employee is a little…

A: We have given information, μ=12 inches n=45 x¯=12 inches s= 18 inches

Q: The average chef at a restaurant earns $17 an hour with a deviation of $1.75. What are the chances…

A:

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A:

Q: Sarah entered her motorcycle in a slow race with 50 other contestants. She crossed the finish line…

A: It is required to state the formula for the number of standard deviations that the result was above…

Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 62.6 ,…

Q: Skye High School has a total of 500 graduates.  The mean SAT score of Skye High School graduates is…

A: Given data,μ=947σ=205P(X≥1000)=?

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: A population has a mean of 84 and a standard deviation of 12. A sample of 36 observations be taken.…

A: Given: Population mean μ = 84 Population standard deviation σ = 12 Sample size n = 36

Q: Suppose the scores on a college entrance examination are normally distributed with a mean of 525 and…

A: Suppose the scores on a college entrance examination are normally distributed with a mean of 525 and…

Q: The average score of this quiz is 24 points with a standard deviation of 1.5 points. What is the…

A: Given data,μ=24σ=1.5P(X<21.9)=?

Q: Use z scores to compare the given values. The tallest living man at one time had a height of 225 cm.…

A: Normal distribution in the center is generally denser and basically less dense at the tails. There…