20. Birth weights of babies born to full-term pregnancies follow roughly a normal distribution. AtAsian Hospital, the mean weight of babies is 7 Ibs with a standard deviation of 14oz. (1 lb = 14oz).What is the probability that a born baby weighs more than 7.5 Ibs?0.65%15.87%12.65%30.85%

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

Answered: ). Birth weights of babies born to…

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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According to a recent study, the carapace length for adult males of a certain species of tarantula are normally distributed with a mean of u = 17.44 mm and a standard deviation of a = 1.72 mm. Complete parts (a) through (d) below. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. Find the percentage of the tarantulas that have a carapace length between 15 mm and 16 mm. The percentage of the tarantulas that have a carapace length between 15 and 16 is 12.27 %. (Type an integer or decimal rounded to two decimal places as needed.) correct: 1 b. Find the percentage of the tarantulas that have a carapace length exceeding 18 mm. The percentage of the tarantulas that have a carapace length exceeding 18 is%. (Type an integer or decimal rounded to two decimal places as needed.) E S D R F T ^ 6 G Y & 7 H U * 8 J DI FB 1 ( 9 K DD F9 0 0 L F10 P : + 11 = 11
The weights of adult males are normally distributed, with a mean of 172 pounds and a standard deviation of 29 pounds. Draw a normal curve as part of your work. a. Find the probability one randomly selected male weighs between 150 and 200 pounds. b. What percent of males weigh more than 190 pounds? c. what is the weight of a male that is at the maximum value of the lowest 25% of males?
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The average cost per household of owning a brand new car is $5,500. Suppose that we randomly selected 45 households, determine the probability that the sample mean for these 45 households is between $5,250 and 6,000. Assume that the variable is normally distributed and the standard deviation is $1,550. SD of the sample mean (input 4 decimal places)= type your answer... type your answer... z-scores (input 2 decimal places) type your answer... Final answer/Probability (input 2 decimal places type your answer... %
According to a recent study, the carapace length for adult males of a certain species of tarantula are normally distributed with a mean of u = 17.08 mm and a standard deviation of o = 1.57 mm. Complete parts (a) through (d) below. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. Find the percentage of the tarantulas that have a carapace length between 15 mm and 16 mm. The percentage of the tarantulas that have a carapace length between 15 and 16 is (Type an integer or decimal rounded to two decimal places as needed.) %.
You are interested in how uniform the lengths of socks are that are produced at a factory. You measure the distribution and see that there is a normal distribution for the length of the socks. Given the following information, how likely is it that a sock is above 25 cm. Mean: 20 Standard deviation: 10.5
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If P(Z>z1)=0.10 in the standard normal distribution, which of the following is the nearest value for z1? Please select one: a. 2.29 b. 1.96 c. 1.10 d. 1.28 e. 1.64
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The mean height of an adult giraffe is 19 feet. Suppose that the distribution is normally distributed with standard deviation 0.8 feet. Let X be the height of a randomly selected adult giraffe. Round all answers to 4 decimal places where possible. b. What is the median giraffe height? __ft. c. What is the Z-score for a giraffe that is 21 foot tall? d. What is the probability that a randomly selected giraffe will be shorter than 19.2 feet tall? e. What is the probability that a randomly selected giraffe will be between 19.7 and 20.2 feet tall? f. The 70th percentile for the height of giraffes is ___ft.
Samnis. pg The distribution of actual weights of 8-oz chocolate bars pro- duced by a certain machine is normal with mean 8 ounces and standard deviation 0.11 ounces. ܕ ܪܙܢܬܝ * ܝܐܕܨ (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with three of these chocolate bars is between 7.82 and 8.15 ounces? ANSWER: (b) For a SRS of three of these chocolate bars, what is the level L such that there is a 5% chance that the average weight is less than L? ANSWER:

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). Birth weights of babies born to full-term pregnancies follow roughly a normal distribution. At Asian Hospital, the mean weight of babies is 7 Ibs with a standard deviation of 14oz. (1 lb = 14 oz). What is the probability that a born baby weighs more than 7.5 lbs? 0.65% 15.87% 12.65% 30.85%