Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. 0.2525 The indicated IQ score is. (Round to the nearest whole number as needed.)

Q: On a statistics exam, the mean score was 80 and there was a standard deviation of 7. If a student's…

A: Given data, μ=80σ=7If x=92z=?

Q: for a population with a standard deviation of 5 and mean of 40, draw a bell shaped curve, marking…

A: In statistics, the empirical rule says that for normal distribution, 68%, 95%, and 99.7% of the…

Q: An instructor in a large lecture class found, at the end of the semester, that the total point…

A: Given Data: Let X represent the point distribution Mean=530 Standard deviation=80   X~ Normal(530,…

Q: A score that is 12 points below the mean corresponds to a z-score of z =-1.50. What is the standard…

A:

Q: A score that is 12 points below the mean corresponds to a z-score of z= -1.50. What is the standard…

A: Given that, A score that is 12 points below the mean corresponds to a z-score of z= -1.50.

Q: The mean monthly rent of students at Oxnard University is $810 with a standard deviation of $235.…

A: (a) From the given information, the sample mean is $810 and standard deviation is $235. The z-score…

Q: A doctor measured serum HDL levels in her patients, and found that they were normally distributed…

A: Given serum HDL levels in patients are normally distributedmean = 62standard deviation = 3.6The Z…

Q: Statewide, the average score on the verbal test portion of the college exam is 453, with a standard…

A: From the given information, the sample size is 137, sample mean is 502, population mean is 453 and…

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: The lengths of pregnancies in a small rural village are normally distributed with a mean of 261 days…

A: From the given Information, Let X represent the length of pregnancies in a small rural village and…

Q: find the z-score for the value 95, when the mean is 77 and the standard deviation is 2.

A: Given, mean=77 standard deviation=2 find the z-score for the value 95

Q: A z-score of −1 tells us that a score fell one standard deviation below the mean in a group of…

A: Empirical rule: For a normal distribution, the approximate values that fall in the specified…

Q: In a population with mean 50 what standard deviation score would have a score of X=45

A:

Q: The grades on a midterm were Normally distributed with a mean of 120 and a standard deviation of 17.…

A: GivenMean(μ)=120standard deviation(σ)=17

Q: A distribution of values is normal with a mean of 235 and a standard deviation of 14.4. Find P63,…

A:

Q: If the distribution of weight of newborn babies in Maryland is normally distributed with a mean of…

A:

Q: A professor finds that the grades in a large class are normally distributed. The mean of the grades…

A: It is given that mean is 64 and standard deviation is 10.

Q: A score that is 6 points below the mean corresponds to a z-score of z = -2.00. What is the…

A: Given: z-score = -2.00 Formula: Where,

Q: In a Science test, the mean score is 42 and the standard deviation is 5. Assuming the scores are…

A: Given: The mean score of a Science test is μ=42. The standard deviation is σ=5. Let X be a random…

Q: A large normally distributed population has a mean of 502 and a standard deviation of 25. If the…

A:

Q: For a social club, the members had a mean age of 68 and a standard deviation of 10 years.  What is…

A: The mean is 68 and the standard deviation is 10.

Q: A score that is 6 points below the mean corresponds to a z-score of z = -1.50. What is the…

A: We have to find population standard deviation from given information. We need to use z score…

Q: Given that the mean score is 83 and the standard deviation is 6. What z-score corresponds to the…

A:

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 260 days…

A: From the provided information, Mean (µ) = 260 days Standard deviation (σ) = 16 days X~N (260, 16)

Q: The monthly income from a particular occupation is normally distributed, with a mean of 3800 dollars…

A:

Q: A given distribution has a population mean, μ, of 147 and a population standard deviation, σ, of 7.…

A:

Q: mark is provided a score of X=57 that corresponds with a score of X=57 that corresponds with a…

A:

Q: A group of students take a exam and the adverage was m = 90 and the standard deviation was 7.8.…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 260 days…

A:

Q: The heights of tomato plants are Normally distributed with a mean of 3.56 feet and a standard…

A: It is given that μ=3.56 and σ=0.25   Use standardization asz=x-μσ

Q: The scores on the final exam in a statistics course are close to being normally distributed. The…

A: Normal distribution: It is a continuous probability distribution, that is bell-shaped with lighter…

Q: the average height on the soccer team is 66 inches with a standard deviation of 3. a z score of -1.6…

A: Introduction: Consider X as a normally distributed random variable, with mean μ and standard…

Q: The wind speeds throughout the month of April were normally distributed with a mean of 17 mph and a…

A: .

Q: The scores on an economics examination are normally distributed with a mean of 72 and a standard…

A: From the provided information, Mean (µ) = 72 Standard deviation (σ) = 16 Let X be a random variable…

Q: The scores on an economics examination are normally distributed with a mean of 75 and a standard…

A:

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 popcorn company find that their 1kg bags have a mean of 985 grams with a standard deviation of 24…

A:

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 263 days…

A: Solution-: Given: μ=263 days, σ=13 days We want to find what range would you expect to find the…

Q: In a class of twenty-five 15-year old girls the average height is M = 62.60 inches. The national…

A: Givensample size(n)=25Mean(μ)=63.80standard deviation(s)=2.66M=62.60

Q: Suppose the weekly rent of international students in Sydney is normally distributed with a mean of…

A: Assume,  X be the random variable which represents the amount of weekly rent in dollars. μ be the…

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

A:

Q: A given distribution has a population mean, μ, of 101 and a population standard deviation, σ, of 8.…

A:

Q: Find the z-score for the value 80, when the mean is 70 and the standard deviation is 2.

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: An instructor in a large lecture class found, at the end of the semester, that the total point…

A: It is given that mean and standard deviation are 530 inches and 80, respectively.

Q: THE SCORES ON A SCIENCE TEST HAD AN AVERAGE OF 78 AND A STANDARD DEVIATION OF 3. WHAT PERCENT OF…

A: Given,mean(μ)=78standard deviation(σ)=3

Q: . A professor finds that the grades in a large class are normally distributed. The mean of the…

A:

Q: for a population with a standard deviation of 4.2 and mean of 32.5, draw a bell shaped curve,…

A:

Q: for a population with a standard deviation of 8 and mean of 40, draw a bell shaped curve, marking…

A: Given data  Mean = 40 and standard deviation= 8