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 weights of all the boxes of corn flakes filled by a machine are normally distributed, with a mean weight of 14.0 ounces and a standard deviation of 0.4 ounce. What percent of the boxeswill have the following weights? (Round your answers to one decimal place.)(a) weigh less than 13.5 ounces%(b) weigh between 13 ounces and 15 ounces%

Solution:-given that mean =14 and sd =0.4To find the probabilities, we'll use the properties of the…

Answered: The weights of all the boxes of corn…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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 52.5 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 48.9 mm %(b) between 50 and 53 mm %
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 53.4 mm and a standard deviation of 2.6 mm. What percent of the butterflies had the following wingspans? (Round your answers to one decimal place.) (a) less than 48.9 mm %(b) between 50 and 55 mm %
Fill in missing values in the following statements. The distribution of the lengths of long-stemmed roses is mound – shaped and symmetric with the mean stem length of 16 inches and standard deviation of 3 inches. According Empirical rule _______ percent of the long-stemmed roses have the lengths between 10 inches and 22 inches. _______ percent of long-stemmed roses have the lengths larger than 19 inches. _______ percent of long-stemmed roses have the lengths between 10 inches and 19 inches.
Subject: algbera
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In the 1992 presidential election, Alaska's 40 election districts averaged 1993 votes per district for President Clinton. The standard deviation was 584. (There are only 40 election districts in Alaska.) The distribution of the votes per district for President Clinton was bell-shaped. Let X = number of votes for President Clinton for an election district. (Source: The World Almanac and Book of Facts) Round all answers except part e. to 4 decimal places. a. What is the distribution of X? X ~ N( b. Is 1993 a population mean or a sample mean? Select an answer v C. Find the probability that a randomly selected district had fewer than 2053 votes for President Clinton. d. Find the probability that a randomly selected district had between 2074 and 2208 votes for President Clinton. e. Find the 95th percentile for votes for President Clinton. Round your answer to the nearest whole number.
The four levels of measurement scale are Nominal, Ordinal, Interval and Ratio. What can be computed with each type (Frequency, Median, Mean, Standard Deviation, Standard error, Ratio, Coefficient of variation)?
Answer all questions: 1. What is the range and standard deviation for the following population of scores? Scores: 5,2,5,4
Electricity bills: According to a government energy agenCy 2011 was $110. 10. Assume the amounts are normally distributed with standard deviation $21.00. Use the TI-84 Plus calculator to answer the following. electricity bil in the United States in (a) Find the 7th percentile of the bill amounts. (b) Find the 58th percentile of the bill amounts. (c) Find the median of the bill amounts. Round the answers to at least two decimal places.
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 57.4 degrees. The mean of the frequency distribution is (Round to the nearest tenth as needed.)
Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P7, the 7th percentile. This is the bone density score separating the bottom 7% from the top 93%. Which graph represents P7? Choose the correct graph below. A. P7 The bone density score corresponding to P7 is (Round to two decimal places as needed.) B. A P7 2 C. ^ P7 Ly D. A P7
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 %

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