Find the z-score for the value 82, when the mean is 98 and the standard deviation is 3. OA. 2= -567 OB. 2 -0.81 OC. z=0.81 OD. z= -5.33
Q: Hugo scores an average of 28 points per basketball game, and his points per basketball game are…
A: From the provided information, Average (µ) = 28 points Score (x) = 14 points z-score = -2
Q: Find the z-score for the value 62, when the mean is 56 and the standard deviation is 2. O A. z=3.00…
A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…
Q: A distribution of values is normal with a mean of 123.2 and a standard deviation of 62 Find P35,…
A: Given: A distribution of values is normal with μ=123.2 , σ=62
Q: The proportion of men who smoke cigarettes in the US is 0.23. A researcher took a sample of 200 men…
A: Sampling Distribution of Proportion: Standard deviation of sampling distribution of sample…
Q: Find the z-score for the value 87, when the mean is 82 and the standard deviation is 8. A. z=−0.96…
A: Given,mean(μ)=82standard deviation(σ)=8and the value(x)=87
Q: On an exam with a mean = 70, you have a score of X = 65. Which of the following values for the…
A: Given Information Mean µ = 70 X = 65 Higher the value of z, Higher will be the position
Q: Find the standard deviation (rounded to the nearest unit) for the data indicated
A: We have to find the standard deviation based on the given frequency distribution.
Q: A standard I.Q. test produces normally distributec 13 with a mean of 104 and a standard deviation of…
A:
Q: Find the z-score for the value 69, when the mean is 96 snd the standard deviation is 5. z-score= ?
A:
Q: Find the z-score for the value 55, when the mean is 79 and the standard deviation is 5.
A: The z score indicates how many standard deviations that a data points away from the mean. It can be…
Q: Can you find the standard deviation for sx and sy?
A:
Q: Q2: b) For a mean of 70 and a standard deviation of 8, find standardized score for a value of 80.…
A: Givenmean(μ)=70standard deviation(σ)=8x=80
Q: The mean grade on a statistics exam is/M=82, the standard deviation is=12. What actual grade has a…
A: The normal distribution in the center are generally denser and basically less denser at tails.…
Q: The systolic blood pressure for a healthy person is normally distributed with a mean of 120 and a…
A: Correct Answer is (d) 118.95
Q: A normal distribution has a mean of 82 and a standard deviation of 3. Find the z-score for a data…
A: If x=82 z=?
Q: the average grade is 84 with a standard deviation of 4. What is each grade for -1 2 0 1.5 -1.25
A: Given Mean μ=84Standard deviation σ=4 The formula for Z score isZ=X-μσX=Z×σ+μ
Q: Find the z-score for the value 79, when the mean is 81 and the standard deviation is 7. O A. z=…
A: Note: Hi there! Thank you for posting the question. As there are several independent questions,…
Q: The prices of all college textbooks follow a bell- shaped distribution with a mean of $100 and a…
A:
Q: A random sample of 49 shoppers showed that they spend an average of $23.45 per visit and the…
A: 1. Point estimate of the population mean is the sample mean.
Q: Find the standard deviation σ .
A: It is given that μ = 16z-score, Z = -3.06 Data value, X = 15
Q: The monthly incomes of 16 students were analyzed and their average was 1000 TL and the standard…
A: Given data,μ=1000σ=200n=16z=2.7x=?
Q: n the first quarter of 2019, the average home loan for first time buyers was R950, 000. Assuming a…
A: Given : In the first quarter of 2019, the average home loan for first time buyers was R950, 000…
Q: A sample has a mean M = 55. In the sample, a score of X = 48 corresponds to z = -1.50. What is the…
A:
Q: Find the z-score for the value 86, when the mean is 61 and the standard deviation is 1. O A. z= -…
A:
Q: A distribution of values is normal with a mean of 220.2 and a standard deviation of Find P16, which…
A: Let P16 = c So, P(X<c)=0.16 we have to find c.
Q: A pharmacologist measured the concentration of dopamine in the brains of several rats.The mean…
A: Mean = 1269 Standard deviation = 145
Q: The scores on a driver's test are normally distributed with a mean of 100. Find the score that is 3…
A: From the provided information, Mean (µ) = 100 Standard deviation (σ) = 28 X~N (100, 28)
Q: Hello, how do you calculate this? Thank You!
A: Compute the 90% confidence interval for the population mean.Since the sample size is small and the…
Q: f the value of adult male cholesterol is a normal distribution with a mean of 198 and a standard…
A: The question is about normal dist. Given : Mean of cholesterol value of adult male ( μ ) = 198 Std.…
Q: On an exam, Tom scores 12 points above the mean and has a z-score of z = +2.00. The standard…
A:
Q: E (T; – T)² = 2535. in
A: Here's the explanation :- The standard deviation is a measure of the amount of variation or…
Q: The scores on a mathematics exam have a mean of 73 and a standard deviation of 9. Find the x-value…
A: We have given that X~N(mu,sigma^2) mu=73 , sigma = 9 ,Z-socre =5.019 Z-socre =(x-mu)/sigma
Q: Assume that the distribution of a college entrance exam is normal with a mean of 500 and a standard…
A: Consider the equation
Q: Assume that the readings on the thermometers are normally idstributed with a mean of 0" and a…
A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…
Q: A distribution of exam scores has a mean of u=80. If your score is X=72, which standard deviation…
A:
Q: Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the…
A:
Q: Assuming you obtained a random sample of blood glucose levels from 32 individuals from a population…
A: It is given that the mean is 120 and the standard deviation is 15.
Q: On an exam with u=52 ,a person scores x=56.Which value for the standard deviation would give this…
A: We have given that, Mean = 52 , X = 56 , We have to find z-score at (1) sigma = 2 (2) sigma = 4…
Q: Find the z-score when x is 5, mean equals 7, and standard deviation 3.
A: Solution: Let X be the random variable. Then, the z-score is calculated by using the formula
Q: Find the standard deviation (rounded to the nearest unit) for the data indicated. Test Score…
A: Given Information:
Q: Find the z-score for the value 91, when the mean is 58 and the standard deviation is 3 O A. z=11.00…
A:
Q: What is the z-score of x = 3 if it is 2 standard deviation to the left of the mean? O -3 O -2 O -1 O…
A:
Q: 6. The mean value of a 2005 Honda Accord is $8200, with a standard deviation of $1300: a. Give the…
A: Given data,Mean μ=8200sd σ=1300
Q: Brian scored an 80% on a Chemistry Exam. The average on the exam was a 68%, with a standard…
A:
Q: Find the z-score for the value 51, when the mean is 65 and the standard deviation is 8, rounding to…
A: Solution: Let X be the random variable. From the given information, µ=65 and σ=8.
Q: For a population with mean of 50 and standard deviation of 8, what is the z- score that corresponds…
A:
Q: On an exam with u = 52, you have a score of X= 44. Which of the following values for the standard…
A:
Q: A sample of n = 25 scores has a mean of M = 83 and a standard deviation of s = 15. Explain what is…
A: In this case, the sample size is n = 25, the sample mean is M = 83 and the sample standard deviation…
Q: A farm hatches chicken eggs in batches of 15 and there is a 3% infertile rate. Find the standard…
A: Obtain the standard deviation for the number of infertile eggs per batch. The standard deviation…
Q: The average score on a test of 40 students has a mean score of 53 and a standard deviation of 6. At…
A: Answer - The average score on a test of n = 40 Student has a mean score μ = 53 and σ = 6…
Step by step
Solved in 2 steps with 1 images
