Assume a normal distribution of mean = 35 and standard deviation of 5. Answer the following questions False True
Q: A normal distribution has a mean of 120 and a standard deviation of 5. Find the z-score for a data…
A: The objective of this question is to find the z-score for a data value of 119 in a normal…
Q: Assume that a normal distribution of data has a mean of 16 and a standard deviation of 3. Use the…
A: It is provided that the data follows the normal distribution with mean , and standard deviation is…
Q: Assume that the scores of a college entry exam are normally distributed with a mean of 400 and a…
A: Given,mean(μ)=400standard deviation(σ)=60
Q: A normal distribution has a mean of 140 and a standard deviation of 3. Find the z-score for a data…
A: The objective of this question is to calculate the z-score for a data value of 142 in a normal…
Q: Assume that weights of men are normally distributed with a mean of 160 pounds and a standard…
A: Given, Weights of men follows normal distribution with mean 160 pounds and standard deviation 25…
Q: Assume that a normal distribution of data has a mean of 23 and a standard deviation of 4. Use the…
A: Answer:- Given, Mean, µ = 23 Standard deviation, σ = 4 Using formula, According to the empirical…
Q: A normal distribution has a mean of 100 and a standard deviation of 15. What is the median for this…
A: Given Mean μ=100, standard deviations σ=15
Q: scores are normally distributed with mean 500 and standard deviation 100. Julie scores 650. Her…
A: Consider X be the random variable representing the SAT scores. X follows normal distribution with…
Q: A normal distribution has a mean of 175 and a standard deviation of 38. What percent of observations…
A: Given that A Normal distribution has Mean (μ) = 175 Standard deviation (σ) = 38 We know that Z =…
Q: normal distribution has a mean of 136 and a standard deviation of 4. Find the z-score for a data…
A: given data, normal distribution μ=136σ=4z score for a data value of 132=?
Q: normal distribution has a mean of 105 and a standard deviation of 4. Find the z-score for a data…
A: Given Mean µ = 105 Standard deviation σ = 4 z- score = (x - µ )/σ
Q: A normal distribution has a mean of 126 and a standard deviation of 10. Find the z-score for a data…
A: The random variable X follows normal distribution. The population mean is 126 and population…
Q: A normal distribution has a mean of 62 and a standard deviation of 12. What is the median?
A:
Q: A normal distribution has a mean of 109 and a standard deviation of 4. Find the z-score for a data…
A: Let X be the random variable from normal distribution with mean (μ) = 109, standard deviation (σ) =…
Q: ormal distribution has a mean of 104 and a standard deviation of 10. Find the z-score for a data…
A: Given data,Mean μ=104sd σ=10data value x=80z-score=?
Q: Assume the distribution is normal, use the area of the normal curve to answer the question. At a…
A: Suppose a random variable X, defines the weekly grocery bill.
Q: A normal distribution has a mean of 150 and a standard deviation of 8. Find the z-score for a data…
A: The objective of this question is to find the z-score for a data value of 151 in a normal…
Q: A normal distribution has a mean of 81 and a standard deviation of 4. Find the z-score for a data…
A:
Q: A normal distribution has a mean of 100 and a standard deviation of 7. Find the z-score for a data…
A: The mean is 100 and standard deviation is 7.
Q: A normal distribution has a mean of 150 and a standard deviation of 9. Find the z-score for a data…
A: Suppose the variable of interest is x.The random variable x follows normal distribution with mean…
Q: A normal distribution has a mean of 113 and a standard deviation of 6. Find the z-score for a data…
A: A normal distribution has a mean of 113 and a standard deviation of 6.
Q: Assume that Math test scores are normally distributed with a mean of 200 and a standard deviation of…
A: The provided information is The mean and standard deviation is µ=200 σ=40 P(X<120)=?…
Q: A normal distribution has a mean of 125 and a standard deviation of 3. Find the z-score for a data…
A: A normal distribution has a mean of 125 and a standard deviation of 3. mu
Q: A normal distribution has a mean of 82 and a standard deviation of 3. Find the z-score for a data
A:
Q: Exam scores have a normal distribution, with Mean of 70 and Standard deviation of 10. Bob’s score…
A: Exam scores have a normal distribution, with Mean of 70 and Standard deviation of 10. Bob’s score…
Q: A normal distribution has a mean of 108 and a standard deviation of 6. Find the z-score for a data…
A:
Q: A normal distribution has a mean of 103 and a standard deviation of 7. Find the z-score for a data…
A: Given: μ =103 & σ=7 the z-score corresponding to 100 is Z=100-μσ =100-1037= - 0.43
Q: Suppose X has a normal distribution with mean 30 and standard deviation five. Between what values of…
A: Empirical rules:1) P(μ-σ<X<μ+σ)=68%2) P(μ-2σ<X<μ+2σ)=95%3) P(μ-3σ<X<μ+3σ)=99.7%
Q: A normal distribution has a mean of 144 and a standard deviation of 8. Find the z-score for a data…
A: Given that, μ=144, σ=8 We know that, z-score is given as, Z=X-μσ
Q: A normal distribution has a mean of 87 and a standard deviation of 10. Find the z-score for a data…
A: Given that, Mean = 87 Standard deviation = 10
Q: A normal distribution has a mean of 136 and a standard deviation of 8. Find the z-score for a data…
A: Given,Mean, μ = 136Standard deviation, σ = 8Let X be a random variable represent the raw score.Using…
Q: What is the test statistic for this procedure?
A: Assume that all conditions are met. The mean of the differences was 1.33 and the standard deviation…
Q: A normal distribution has a mean of 3.7 and a standard deviation of 2.3. What is the median?
A: From the provided information,
Q: Suppose that the middle 95% of average scores in the NBA per player per game fall between 2.01 and…
A: Given that the middle 95% of average scores in the NBA per player per game fall between 2.01 and…
Q: A normal distribution has a mean of 134 and a standard deviation of 3. Find the z-score for a data…
A: According to the given information in this question We need to find the z score value
Q: A normal distribution has a mean of 148 and a standard deviation of 5. Find the z-score for a data…
A: Solution: Let X be the data value. From given information, X has mean µ=148 and a standard deviation…
Q: Let’s assume that weight is normally distributed with a mean of 160 and a standard deviation of 25…
A: Step-by-step procedure to obtain the middle 80% 0f all people lie between which two weights using…
Q: The scores on a standardized test are normally distributed with a mean of 100 and standard deviation…
A:
Q: A normal distribution has a mean of 140 and a standard deviation of 7. Find the z-score for a data…
A:
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- Assume that adults have IQ scores that are normally distributed with a mean of 100.7 and a standard deviation 18.9. Find the first quartile, which is the IQ score separating the bottom 25% from the top to 75%A normal distribution has a mean of 117 and a standard deviation of 4. Find the z-score for a data value of 125. Round to two decimal placesA normal distribution has a mean of 62 and a standard deviation of 17. What is the median?
- Assume that a normal distribution of data has a mean of 24 and a standard deviation of 5.Use the empirical rule to find the percentage of values that lie below 9.Assume the birth weights at a local hospital have a normal distribution with a mean of 110 oz and a standard deviation of 15 oz. Draw a normal curve and label the mean and each value which is one, two, or three standard deviations above the mean. Then label each value which is one, two, or three standard deviations below the mean.A distribution of values is normal with a mean of 185.8 and a standard deviation of 24.3.Find P8, which is the score separating the bottom 8% from the top 92%.P8 =
- Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed with a mean of 250 feet and a standard deviation of 44 feet. Let X = distance in feet for a fly ball. Find the 80th percentile of the distribution of fly balls. (Round your answer to one decimal place.)A normal distribution has a mean of 130 and a standard deviation of 10. Find the z-score for a data value of 112. Round to two decimal placesA distribution of values is normal with a mean of 38.3 and a standard deviation of 84.2.Find P98, which is the score separating the bottom 98% from the top 2%.P98 =
- a normal distribution has a mean of 25 and standard deviation of 5. what score separates the lowest 30% of the distribution from the rest of the scores?A normal distribution has a mean of 147 and a standard deviation of 4. Find the z-score for a data value of 133. Round to two decimal placesThe average wage of plumbers is normally distributed with a mean of $20 and a standard deviation of $5.50. Sketch the normal distribution using the mean and standard deviation.