For items 22-27:The mean gasoline consumption of 10 cars is 28 liters with a standard deviation of 1.6liters. Find the point and the interval estimates using 95% confidence level.22. What is a?95%b. 28с. 1.6d. 0.05a.23. What is the point estimate of u?a.95%b. 2810d. 1.6С.24. What is the appropriate distribution?b. tс. рd. sa.25. What are the confidence coefficients?±1.96b. +2.26C. +2.33d. +2.58a.26. The lower limit is approximately27b. 26.85с. 26.81d. 26.68a.27. The upper limit is29b. 29.15C. 29.19d. 29.32a.

Given,sample size(n)=10sample mean(x¯)=28standard deviation(s)=1.6degrees of freedom…

Answered: For items 22-27: The mean gasoline…

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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In a factory producing parts for an electronic appliance, the length of a large number of parts were measured. The mean and standard deviation were calculated as 3 mm and 0.05 mm respectively. Assuming the data are normally distributed, between what values do the lengths of the middle 99.7% of the parts fall?
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. a. What is the percentile rank for a baby who is 140 oz. b. According to the Empirical Rule what percent of babies will be heavier than 155oz? c. According to the Empirical Rule what percent of babies would you expect to find between 80 oz and 125 oz?
The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 119 and standard deviation of 21 .Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher.a. Around what percentage of adults in the USA have stage 2 high blood pressure?b. If you sampled 4500 people, how many would you expect to have BP> 160? Give your answer to the nearest person. peoplec. Stage 1 high BP is specified as systolic BP between 140 and 160. What percentage of adults in the US qualify for stage 1?
The weights for newborn babies is approximately normally distributed with a mean of 6.8 pounds and a standard deviation of 2.1 pounds. Consider a group of 900 newborn babies: 1. How many would you expect to weigh between 4 and 9 pounds? 2. How many would you expect to weigh less than 8 pounds? 3. How many would you expect to weigh more than 7 pounds? 4. How many would you expect to weigh between 6.8 and 10 pounds? HINT: Do not round until you get your final answer. Submit Question
The weights for newborn babies is approximately normally distributed with a mean of 6.8 pounds and a standard deviation of 1.8 pounds.Consider a group of 1400 newborn babies:1. How many would you expect to weigh between 4 and 9 pounds? 2. How many would you expect to weigh less than 7 pounds? 3. How many would you expect to weigh more than 5 pounds? 4. How many would you expect to weigh between 6.8 and 10 pounds?
The weights for newborn babies is approximately normally distributed with a mean of 6.5 pounds and a standard deviation of 1.3 pounds.Consider a group of 1400 newborn babies:1. How many would you expect to weigh between 3 and 8 pounds? 2. How many would you expect to weigh less than 6 pounds? 3. How many would you expect to weigh more than 4 pounds? 4. How many would you expect to weigh between 6.5 and 10 pounds?
Can someone answer this ? I need the averages and the standard deviations.
The body temperatures of a group of healthy adults have a bell-shaped distribution with a mean of 98.34°F and a standard deviation of 0.56°F. Using the empirical rule, find each approximate percentage below. a. What is the approximate percentage of healthy adults with body temperatures within 2 standard deviations of the mean, or between 97.22°F and 99.46°F? b. What is the approximate percentage of healthy adults with body temperatures between 97.78°F and 98.90°F? a. Approximately % of healthy adults in this group have body temperatures within 2 standard deviations of the mean, or between 97.22°F and 99.46°F. (Type an integer or a decimal. Do not round.)
the weight of an organ in adult males has a bell shaped distribution with a mean of 350 grams and a standard deviation of 50 grams. use the empirical rule to determine the following a. about 99.7% of organs will be between what weights? b. what percentage of organs weighs 300 grams and 400 grams ? Plzz explain both question. Ty

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