Use the table to answer each question. Note: Round 2-scores to the nearest hundredth and then find the required A values using the table.The breaking point of a particular type of rope is normally distributed, with a mean of 370 pounds and a standard deviation of 24 pounds. What is the probability that a piece of thisrope chosen at random will have the following breaking points? (Round your answers to three decimal places.)(a) less than 340 pounds0.106(b) between 360 and 390 pounds

We have given that, X be the random variable from normal distribution with mean(μ) = 370 and…

Answered: Use the table to answer each question.…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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According to a study done by De Anza students, the height for Asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. Suppose one Asian adult male is randomly chosen. Let X = height of the individual. Find the probability that the person is between 64 and 69 inches. The middle 40% of heights fall between what two values?Write the probability statement. State the two values. (Round your answers to one decimal place.) x1,x2 ch6#9
Scores on an aptitude test are normally distributed with a mean of 960 and standard deviation of 120. Use the Cumulative Z-Score Table to answer the following questions. Write your answer rounded to the nearest whole number. If 1,570,000 students take the test.. how many would you expect to score above 1224? students ...how many would you expect to score above 972? students ...how many would you expect to score between 972 and 1224? students
Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard deviation σ=15. Find the probability that a randomly selected adult has an IQ between 90 and 120. Click to view page 1 of the table. LOADING... Click to view page 2 of the table. LOADING... Question content area bottom Part 1 The probability that a randomly selected adult has an IQ between 90 and 120 is enter your response here. (Type an integer or decimal rounded to four decimal places as needed.)
Use the table to answer each question. Note: Round z-scores to the nearest hundredth and then find the required A values using the table. The breaking point of a particular type of rope is normally distributed, with a mean of 320 pounds and a standard deviation of 24 pounds. What is the probability that a piece of this ro chosen at random will have the following breaking points? (Round your answers to three decimal places.) (a) less than 290 pounds (b) between 310 and 340 pounds
Use the following frequency distribution table to find the value of the mean score. Scores Frequency1 - 3 54 - 6 17 - 9 3 Find the value of the standard deviation. Give your answer accurate to 1 place after the decimal point. σ =
The average price of a new one-family home is $180,000 with a standard deviation of $14,000. Find the probability that a randomly selected house will have a price between $150,000 and $200,000. Assume the variable is normally distributed. Write your answer correct to four decimal places. Your Answer: Answer
Q29
Use the table to answer the question. Note: Round z-scores to the nearest hundredth and then find the required A values using the table.A biologist found the wingspans of a group of monary butterflies to be normally distributed with a mean of 52.8 mm and a standard deviation of 2.5 mm. What percent of the butterflies had the following wingspans? (Round your answers to one decimal place.) (a) less than 48.7 mm %(b) between 50 and 55 mm %
Assume that the readings on the thermometers are normally distributed with a mean of 0 degrees and standard deviation of 1.00 degrees C. A thermometer is randomly selected and tested. Draw a sketch and find the temperature reading corresponding to Upper P 84, the 84 th percentile. This is the temperature reading separating the bottom 84 % from the top 16 %. A. Which graph represents Upper P 84? B. The temperature for Upper P 84 is approximately (Round to two decimal places as needed.)
Use the table to answer each question. Note: Round z-scores to the nearest hundredth and then find the required A values using the table. The breaking point of a particular type of rope is normally distributed, with a mean of 320 pounds and a standard deviation of 24 pounds. What is the probability that a piece of this rc chosen at random will have the following breaking points? (Round your answers to three decimal places.) (a) less than 290 pounds 0.105 (b) between 310 and 340 pounds 0.459
K The lengths of pregnancies are normally distributed with a mean of 269 days and a standard deviation of 15 days. a. Find the probability of a pregnancy lasting 308 days or longer. b. If the length of pregnancy is in the lowest 3%, then the baby is premature. Find the length that separates premature babies from those who are not premature. Click to view page 1 of the table. Click to view page 2 of the table. a. The probability that a pregnancy will last 308 days or longer is (Round to four decimal places as needed.) b. Babies who are born on or before (Round to the nearest integer as needed.) days are considered premature. .
find the standard deviation based on the following given where you have three states: good, average and poor where Ps are 30%,50% and 20% and Rs are 20%, 15% and -4% respectively-? a. 0.0074 b. 0.0278 c. 0.127 d. 0.167

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