Suppose that shoe sizes of american women have a bell shaped distribution with a mean of 8.42 and a standard Deviation of 1.52. Using the empirical rule , what percentage of American women have shoe sized that are less than 9.94? Please do not round your answer.

Suppose that shoe sizes of american women have a bell shaped distribution with a mean of 8.42 and a standard Deviation of 1.52. Using the empirical rule , what percentage of American women have shoe sized that are less than 9.94? Please do not round your answer.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

See similar textbooks

Related questions

Q: lue Hill and Arroyo Seco are schools in different states. Laura is a student at Blue Hill and is 58…

A: X=Laura's Y= Lisa's

Q: Women's heights are normally distributed with mean 63.8in and standard deviation 2.6in. The U.S.…

A: Given that the men heights are normally distributed with mean 69.5 in and standard deviation 2.4…

Q: The duration of shoppers' time in BrowseWorld's new retail outlets is normally distributed with a…

A: Given,Mean, μ = 45.8 minutes.Standard deviation, σ = 15.5 minutes.Let X be a random variable…

Q: When you have a skewed distribution, it is better to use-- than -- interquartile range;range…

Q: Management at a video game store wants to gain a better understanding of their customers. In order…

Q: there are 300,000 people review for the movie pupulation mean is 7.2 stars and standard deviation…

Q: The retirement age of National Football League (NFL) players is Normally distributed with a mean of…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: he retirement age of National Football League (NFL) players is Normally distributed with a mean of…

Q: In the past, the value of houses a local realtor has sold is normally distributed with a mean of…

A: We have to find given score.

Q: Please answer all questions and show work

A: a) To calculate the expected value of X,we need to sum up the mean weight of each male…

Q: Suppose that IQ scores have a bell-shaped distribution with a mean of 100 and a standard deviation…

A: Mean = 100 Standard deviation = 15

Q: The results of a common standardized test used in psychology research is designed so that the…

A: It is given that the mean and standard deviation are 145 and 30.

Q: Psychological and educational tests, including MMPI are often designed so they have a mean of 50 and…

A: Given that They have a mean of 50 and a standard deviation of 10.

Q: Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 68…

A: According to the given information, we have Mean = 68 Standard deviation = 4

Q: A banker finds that the number of times people use automated-teller machines (ATMs) in a year are…

A: Solution-: Given:μ=40,σ=11.2 We want to find the proportion of customers who use ATMs between 30…

Q: A vending machine is designed to dispense a mean of 7.8 oz of coffee into an 8-oz cup. If the…

A: Let X be the random variable from Normal distribution with mean (μ) = 7.8 and standard deviation (σ)…

Q: Assume that body temperatures of healthy adults are normally distributed with a mean of 98.2 and a…

A: From the given information X follows normal distribution with mean µ = 98.2 standard deviation σ =…

Q: What percent of women fall between 64 inches and 77 inches?

A: The objective of this question is to find out the percentage of women who fall between 64 inches and…

Q: The mean weight of a new- born baby is 7.58 pounds with a standard deviation of 0.67 pounds. Assume…

Q: If the heights of intramural college basketball players are normally distributed with mean u =…

A: Given,μ=70σ=6.5P(63.5<X<76.5)=?

Q: The height of men is a normally distributed variable with a mean of 68 inches and a standard…

A: Mean(μ)=68Standard deviation(σ)=3

Q: A study of the Physics and Astronomy department has found that 95% of the graduate students drink…

A: Explanation:Here given the two means and find out the standard deviation of the sample follows the…

Q: The mean height of students in Negron’s Fall statistics classes is 65.6 inches with a standard…

A: Let random variable X be the height of students(in inches).X has normal distribution with…

Q: high temperatures in Chicago during the month of October have a mean of 64 degreesand a standard…

A: A z-score is known as the standard score that determines how much the data point deviates from the…

Q: Last year, the revenue for medical equipment companies had a mean of 7070 million dollars with a…

A: The objective of this question is to find the percentage of medical equipment companies with revenue…

Q: The results of a common standardized test used in psychology research is designed so that the…

A: Given: μ=105σ=20 The z-score for the raw score 99 is obtained as below: z=x-μσ=99-10520=-620=-0.3…

Q: The mean gas mileage for cars driven by the students at Chillville High Schoo is 28.0 miles per…

A: Normal distribution is continuous distribution which has many real life applications. Standard…

Q: banker finds that the number of times people use automated-teller machines (ATMs) in a year are…

A: We have given Mean(µ) = 40Standard deviations (σ) = 11.2X ~ N (µ, σ )= N(40, 11.2)

Q: The length of the western rattlesnake is normally distributed with a mean of 42 inches and a…

A: Determine the length of the snakes that the 95% of western rattlesnakes that are longer than. The…

Q: A banker finds that the number of times people use automated-teller machines (ATMs) in a year are…

A: The mean is 40 and the standard deviation is 11.

Q: vg canadian worker spends 29.88 minutes driving to work each day. Assume the distribution of driving…

A: Given Information: On average Canadian worker spends 29.88 minutes driving to work each day. i.e.,…

Q: A banker finds that the number of times people use automated-teller machines (ATMs) in a year are…

Q: The average triglyceride level of adult males is 126 milligrams per deciliter. You want to determine…

A: Step 1: From the provided information, Step 2:Hypotheses and test statistic:The hypotheses can be…

Question

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

O As part of his workout routine, Jim swim's 50m several times per session. His times follow a normal distribution with a mean of 45 seconds with a standard deviation of 1.8 seconds. What percent of his times would he expect to be between 42 and 48 seconds?
I need help understanding how to solve the question with a black box around it.
A large chemistry course took their final exam. The mean was 75 with a standard deviation of 8. What are the exam scores that separate the top and bottom 5 percent of the class (extreme 10%)? What are the exams scores that separate the middle 10% of the class (5% on each side of the mean)? What proportion of people scored in the A range (90 or above)? What proportion of people failed the exam (60 or belo
The average wage for bank managers in a certain city is $91,900 per hour with a standard deviation of $24,300. What should be the hourly wage for an administrator if he/she wishes to earn less than 25% of all employees?
What are mean and standard deviation for the heights of people in that country? What is your z-score with these new parameters? The average height for Pilipino men are 5 foot, 3.7 inches with a standard deviation of 2.92 inches. The average height for Pilipino women are 4 foot, 11 inches with a standard deviation of 2.8 inches.
If the mean snowfall for Ottawa Ontario Canada is 98 inches per year and the standard deviation is 25 inches what percentage of the time does Ottawa receive less than 125 inches of snow?
Steel rods are manufactured with a mean length of 25 centimeters. Because of variability in the manufacturing process, the lengths of the rods are approximately normally distributed with a standard deviation of 0.08cm. Any rods that are shorter than 24.81cm or longer than 25.19cm are discarded. What proportion of the rods will be discarded?
A researcher believes the mean weight of males sulcata tortoises is more than 205 pounds. She samples 18 males sulcatas and find their mean to be 216.2 pounds with a standard deviation of 13.5pounds. Find the p-value p =
The mean score for first exam in your first organic chemistry class (section A) was 60, with a standard deviation of 5. Your score on the exam was 70. A. How many standard deviations above the mean is your score?
Suppose the distribution of heights of a group of 300 children is normal, with a mean of 150 centimeters and a standard deviation of 12 centimeters. About how many of these children are taller than 162 centimeters? children
The average high-density lipoprotein (HDL) cholesterol level of adult females is 53 milligrams per deciliter. You want to determine whether the true mean female HDL cholesterol level is more than the average. You decide to pull a random sample of 12 adult females and measure their HDL cholesterol level. You find the sample mean is 54.1 milligrams per deciliter and the standard deviation is 1.78 milligrams per deciliter. What are the test statistic and the p-value? O The test statistic is 2.14 and the p-value is 0.0278. O The test statistic is 0.0278 and the p-value is 2.14. O The test statistic is 1.1 and the p-value is 0.0278. O The test statistic is 0.0278 and the p-value is 1.1. O The test statistic is 0.51 and the p-value is 2.14.