5. What is the probability that a randomly selected male will have a foot length between 8 and P(8
Q: The average American man consumes 9.6 grams of sodium each day. Suppose that the sodium consumption…
A:
Q: B. Given a normal distribution with mean 8 and standard deviation of 2 draw, find the area and write…
A:
Q: Assume that the total cholesterol levels for adults are normally distributed with mean cholesterol…
A: Given data: Mean = 51.8 mg/dL Standard deviation = 14.3 mg/dL To find: Find the probability that…
Q: Select all that apply.
A: A normal curve is symmetric about the mean, which is the peak, and has a bell shape The area under…
Q: d. What is the probability that the sample mean will be between 250 pounds and 257 pounds? P (250…
A: Given that μ=247.2,σ=35,n=34
Q: The lengths of human pregnancies are approximately normally distributed, with mean 256 days and…
A:
Q: d. Find the 77th percentile for the mean score for this sample size. e. P(21.9204 < ữ < 22.6932) =…
A: d. The 77th percentile for the mean score for this sample size is,…
Q: For bone density scores that are normally distributed with a mean of 0 and a standard deviation of…
A: Given that the normal distribution has the mean=0 and standard deviation=1. Suppose, X denotes the…
Q: The director of research and development testing and new drugs she wants to know if there's evidence…
A: Test statistic:Denote μ as the claimed mean; μ = 384. In a random sample of n = 79, the sample mean…
Q: A variable x is normally distributed in a population with mean u and standard deviation o. The…
A: The standard error of the mean of a simple random sample of size 100 chose from the population is…
Q: 2. The average American walks 4,500 steps per day with a standard deviation of 900 steps. If this…
A: GIVEN DATA normal distributionμ = 4500σ = 900
Q: The mean height of an adult giraffe is 17 feet. Suppose that the distribution is normally…
A: Solution-: Given: μ=17,σ=0.8 Let, X= be the height of a randomly selected adult giraffe ∴X→…
Q: The average cost of a luxury car on a large lot is $35501. Suppose that the distribution is normal…
A: It is given that the mean is $35,501 and the standard deviation is $5,200.
Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…
A: From the provided information, Mean (µ) = 0 Standard deviation (σ) = 1 Let X be a random variable…
Q: The length of a fully grown hibiscus plants is normally distributed and has a mean of 35cm and a…
A: Given that,Mean(μ)=35standard deviation(σ)=4 The random variable is length of fully grown…
Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…
A:
Q: A manufacturing plant makes hockey pucks for use by the National Hockey League (NHL). The weight of…
A:
Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…
A: Let the distance be, X. Then, the population mean = μ and variance = σ2. Thus, we can say, X ~…
Q: According to a study, the proportion of people who are satisfied with the way things are going in…
A: Given Information: The proportion of people who are satisfied with the way things are going in their…
Q: The average number of liters of fresh milk that a person consumes in a month is 20 liters. Assume…
A: Mean μ=20 Standard deviation σ=4.5 The distribution of number of liters of fresh milk a person…
Q: The average birth weight of a newborn baby in the USA is reported to be 7.5 lbs. A random sample of…
A: As per the Bartleby guildlines we have to solve question asked by student.... Part (d) Given that…
Q: Los Angeles workers have an average commute of 27 minutes. Suppose the LA commute time is normally…
A: Let us consider, X be a random variable which is used to denote the commute of LA Angels workers…
Q: We know that the number of books owned by the population of Gonzaga University students follows a…
A: Let X, be the continuous random variable and it follows the normal distribution with mean μ and…
Q: The average American man consumes 10 grams of sodium each day. Suppose that the sodium consumpt of…
A: a) The mean is 10 and the standard deviation is 0.8.
Q: The mean of the probability distribution below is 37.05, with a variance of 36.75 and standard…
A: Given: Mean = 37.05 variance = 36.75 Standard deviation = 6.06
Q: 3. Scores of a particular IQ test are normally distributed with a mean of μ = 100 and a standard…
A: Dear student, If you find this solution helpful please upvote it. The probabilities here is…
Q: The average American man consumes 9.6 grams of sodium each day. Suppose that the sodium consumption…
A: Mean()=9.6standard deviation()=0.8
Q: A car company says that the mean gas mileage for its luxury sedan is at least 23 miles per gallon…
A: Given Information: Claim: The mean gas mileage for luxury sedan is at least 23 miles per gallon.…
Q: 11. It is equal to the summation of the products of the value of the random variable and the…
A: Note: As per Bartleby’s guideline for more than one questions only first is to be answered please…
Q: A normal distribution has ? = 28 and ? = 5. 1. Find the z score corresponding to x = 41. (Enter…
A: Given Information: u = 28 s = 5
Q: The average cost of a luxury car on a large lot is $55187. Suppose that the distribution is normal…
A: Given : average (μ)=55187standard deviation (σ)=7100 X follows normal distribution.
Q: chipmunks in a particular chipmunk population are known to have a mean weight of 84 g and a standard…
A:
Q: How do I do this problem?
A: Solution: Let X be the IQ score. From the given information, X follows normal distribution with mean…
Q: Suppose x has a normal distribution with mean ? = 59 and standard deviation ? = 14. a.Describe the…
A: Based on the provided information, the following values are known.Population mean μ=59, Population…
Q: the mean is 146, and standard deviation is 35. A score of 181 is how many z-scores above the mean?
A:
Q: A survey found that women's heights are normally distributed with mean 63.1 in. and standard…
A: Normal Distribution: A continuous random variable X is said to follow Normal distribution with…
Q: Find the proportion of Normally distributed observations with a z-score below 0.82. Give your answer…
A: From the provided information, The z score is below 0.82.
Q: Assume that the total cholesterol levels for adults are normally distributed with mean cholesterol…
A:
Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…
A: Assume that z is a random variable, which defines the bone density test score.
Q: 4. Which proportion of a normal distribution is located between the mean and z = +1.40? 5. A…
A: The proportion of a standard normal distribution which is located between mean and z = 1.40 is given…
Q: 3. In a typical 1 L plastic bottle, there are on average 325 plastic particles with a standard…
A: The question is about normal distribution.Given :Population mean number of plastic particles ( ) =…
Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…
A: Given Data Population Mean,μ = 100 Population Standard Deviation,σ = 15
Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…
A: Given that μ=0 and σ=1 Consider, P(x>0.83)=P(x-μσ>0.83-μσ) =P(z>0.83-01)…
Q: Next Question distributed with a mean of 0 and a standard deviation of 1. Assume that a randomly…
A:
Step by step
Solved in 2 steps
- Answer number 4 and 5 only pls.The average score of all golfers for a particular course has a mean of 61 and a standard deviation of 5. Suppose 100 golfers played the course today. Find the probability that the average score of the 100 golfers exceeded 62. Round to four decimal places. O A. 0.1293 B. 0.3707 O C. 0.4772 O D. 0.0228Assume that the average weight of an NFL player is 245.7 lbs with a standard deviation of 34.5 lbs. The distribution of NFL weights is not normal. Suppose you took a random sample of 32 players. What is the probability that the sample average will be between 240 and 260 lbs? Round your answer to three decimal places, eg 0.192.
- The average score for games played in the NFL is 22.4 and the standard deviation is 9.1 points. 43 games are randomly selected. Round all answers to 4 decimal places where passible and assume a normal distribution. a. What is the distribution of 2- N b. What ks the distribution of - N C. P(E > 22.3185) = d. Find the 60th percentile for the mean score for this sample size. e. P(21.0185 < I< 23.6939) - f. Q1 for the I distribution g. P S 951.0955)- h. For part c) and e), is the aSsumption of normal necessary? ONOO YesAssume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find the probability of a bone density test score greater than 0.21. Sketch the region. Choose the correct graph below. A. В. С. O D. 0.21 0.21 -0.21 0.21 -0.21 The probability is. (Round to four decimal places as needed.)Assume that the average weight of an NFL player is 245.7 lbs with a standard deviation of 34.5 lbs. The distribution of NFL weights is not normal. Suppose you took a random sample of 32 players. What is the probability that the sample average will be between 240 and 252 lbs? Round your answer to three decimal places, eg 0.192.
- 14...Assume that the average weight of an NFL player is 245.7 lbs with a standard deviation of 34.5 lbs. The distribution of NFL weights is not normal. Suppose you took a random sample of 32 players. What is the probability that the sample average will be greater than 260 lbs? Round your answer to three decimal places, eg 0.192.This is for statistics
- The average number of words in a romance novel is 64,177 and the standard deviation is 17,405. Assume the distribution is normal. Let X be the number of words in a randomly selected romance novel. Round all answers to 4 decimal places where possible.a. What is the distribution of X? X ~ N(____, ______)b. Find the proportion of all novels that are between 48,512 and 60,696 words. _________?c. The 95th percentile for novels is words. (Round to the nearest word)_________?d. The middle 60% of romance novels have from______ words to ______words. (Round to the nearest word)Please show your work. thank you11...