A population is normally distributed with a mean of 55 and a standard deviation of 4....
A population is normally distributed with a mean of 55 and a standard deviation of 4. Using the Empirical Rule, approximately what percentage of data values fall between 51 and 59? Please show your calculations.
Homework Answers
Add Answer to:
A population is normally distributed with a mean of 55 and a standard deviation of 4....
At one college GPA’s are normally distributed with a mean of 2.6 and a standard deviation...
At one college GPA’s are normally distributed with a mean of 2.6 and a standard deviation of 0.4. Approximately what percentage of mesaument fall in the interval (2.2, 3.8). Use the empirical rule.
Scores on a test are normally distributed with a mean of 70 and standard deviation of...
Scores on a test are normally distributed with a mean of 70 and standard deviation of 10. Applying the Empirical Rule, we would expect the middle 95% of scores to fall between what two values? 40 and 100 50 and 90 55 and 85 60 and 80 65 and 75
In a normally distributed data set with a mean of 22 and a standard deviation of...
In a normally distributed data set with a mean of 22 and a standard deviation of 4.1, what percentage of the data would be between 17.9 and 26.1? a)95% based on the Empirical Rule b)99.7% based on the Empirical Rule c)68% based on the Empirical Rule d)68% based on the histogram
The histogram below shows the same data that are shown in one of the four boxplots....
The histogram below shows the same data that are shown in one of the four boxplots. Given that the data has mean -2s, which boxplot goes with the histogram? Please justify your answer. 10 15253 35 . A population is normally distributed with a mean of 55 and a standard deviation of 4. Using the Empirical Rule, approximately what percentage of data values fall between 51 and 59? Please show your calculations. A 68% 1.15% с 95% D 99.7% You...
Question 4: (1.5 marks) A population is normally distributed with mean ? and standard deviation ?....
Question 4: (1.5 marks) A population is normally distributed with mean ? and standard deviation ?. Find the percentage of values which are between ? − 2? and ? + 2?.
SAT verbal scores are normally distributed with a mean of 489 and a standard deviation of...
SAT verbal scores are normally distributed with a mean of 489 and a standard deviation of 93. Use the empirical rule (also called 68-95-99.7 rule) to determine what percentage of the scores lie. a) between 210 and 675. b). Above 675?
The scores on a psychology exam were normally distributed with mean of 55 and a standard...
The scores on a psychology exam were normally distributed with mean of 55 and a standard deviation of 5. A failing grade on the exam was anything 2 or more standard deviations below the mean. What was the cutoff for a failing score? Approximately what percentage of the students failed? The cutoff for a failing score was 45. (Simplify your answer.) Approximately percent of the students failed. (Round to one decimal place as needed.)
2. A random variable is normally distributed s normally distributed with a mean of u =...
2. A random variable is normally distributed s normally distributed with a mean of u = 50 and a standard deviation of o = 5. a. Sketch a normal curve for the probability density 50, 55, 60, and 65. of the probability density function. Label the horizontal axis with values of 35, 40, 45, b. What is the probability that the rando Tobability that the random variable will assume a value between 45 and 55? Empirical Rule. c. What is...
1. IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. a. What ...
all questions. Do not round
answers
1. IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. a. What percentage of scores is between 55 and i 15? b. In a group of 20,000 randomly selected individuals, how many have an IQ score of 130 or more? 2. A Honda Civic has its gas mileage (in miles per gallon, or mpg) normally distributed, with a mean of 33 mpg and a standard deviation of...
A random variable X is normally distributed with mean 100 and standard deviation 7. What is...
A random variable X is normally distributed with mean 100 and standard deviation 7. What is the 67th percentile of the distribution of X? (PLEASE Use the empirical rule.) (a) 103.08 (b) 121.56 (c) .44 (d) 13.08 (e) 51.00
The histogram below shows the same data that are shown in one of the four boxplots. Given that the data has mean -2s, which boxplot goes with the histogram? Please justify your answer. 10 15253 35 . A population is normally distributed with a mean of 55 and a standard deviation of 4. Using the Empirical Rule, approximately what percentage of data values fall between 51 and 59? Please show your calculations. A 68% 1.15% с 95% D 99.7% You...
The scores on a psychology exam were normally distributed with mean of 55 and a standard deviation of 5. A failing grade on the exam was anything 2 or more standard deviations below the mean. What was the cutoff for a failing score? Approximately what percentage of the students failed? The cutoff for a failing score was 45. (Simplify your answer.) Approximately percent of the students failed. (Round to one decimal place as needed.)
2. A random variable is normally distributed s normally distributed with a mean of u = 50 and a standard deviation of o = 5. a. Sketch a normal curve for the probability density 50, 55, 60, and 65. of the probability density function. Label the horizontal axis with values of 35, 40, 45, b. What is the probability that the rando Tobability that the random variable will assume a value between 45 and 55? Empirical Rule. c. What is...
all questions. Do not round
answers
1. IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. a. What percentage of scores is between 55 and i 15? b. In a group of 20,000 randomly selected individuals, how many have an IQ score of 130 or more? 2. A Honda Civic has its gas mileage (in miles per gallon, or mpg) normally distributed, with a mean of 33 mpg and a standard deviation of...
Most questions answered within 3 hours.
-
What specific indicators can point to lack of progress for
African Americans in American society?
asked 2 minutes ago -
1-The Electrons in a beam are moving at 2.7×108 m/s in an
electric field of 15000...
asked 18 minutes ago -
A gas tank is a vertical cylinder. It has a radius of 1m, a
height of...
asked 44 minutes ago -
Accent Software faces the following conditions. All of these
support Accent’s use of a market-penetration pricing...
asked 1 hour ago -
A mathematically inclined friend emails you the following
instructions: "Meet me in the cafeteria the first...
asked 1 hour ago -
A monopoly sells in two countries . The demand curves in the two
countries are p1...
asked 2 hours ago -
A .15kg rubber ball is bounced off a wall. Before hitting the
wall, the ball moves...
asked 3 hours ago -
A manufacturing company preparing to build a new plant is
considering three potential locations for it....
asked 3 hours ago -
B. If compound Y has approximately the same values of solubility
in toluene as compound X,...
asked 4 hours ago -
Oscar Inc. has inventory in Japan valued at 39,051,000 Yen one
year ago. One year ago...
asked 4 hours ago -
If Canada suffered from "fundamental disequilibrium," and its
government choose not to devalue its currency, a...
asked 4 hours ago -
4. How many input & output Key Value Pairs are passed into,
and emitted out of...
asked 4 hours ago