1. If the blood pressure for aof peoplehasgroupaverage of 90 and standarddeviation 9, if we select 36individual of that group,what is the probability thattheir blood pressure islarger than 86.2. If weekly accidents atcertain crossing followsPoisson distribution withparameter 1 = 4, if westudy 46 weeks what isprobability that on theaverage more than 4.2accidents occurs.a3. If the lifetime for a type oflamps followsdistribution with densityfunction, wherelifetime in years. A sampleof 100 units is selectedrandomly whatis theisprobability that its life timeless than 7.5 month.

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Answered: 1. If the blood pressure for a people…

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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Suppose the heights of a group of people follow a normal distribution with a mean of 170 cm and a standard deviation of 10 cm. If 25% of the people are shorter than 160 cm, what is the minimum height required to be in the tallest 10% of the group? If a sample of 50 people is randomly selected from the group, what is the probability that their average height is between 168 and 172 cm?
Suppose the average amount of money that people spend on their pets per month is 47 dollars, with a standard deviation of 6 dollars. For a sample of 36 people, final the average amount of money spent on pets that defines the bottom 30% in the distribution.For a sample of 36 people, what is the probability for this sample’s mean to be higher than 50 dollars.
The following is a list of 14 measurements. - 13, -6, -45, 53, -3, 83, –23, 79, – 17, -96, – 18, 91, 53, – 13 Send data to calculator Send data to Excel Suppose that these 14 measurements are respectively labeled x,, x,, ..., x: (Thus, -13 is labeled x,, -6 is labeled x,, and so on.) Compute the following. 14 Σ 29х, i = 1
7. Furnace repair bills are normally distributed with a mean of 267 dollars and a standard deviation of 20 dollars. If 74 of these repair bills are randomly selected, find the probability that they have a mean cost between 267 dollars and 269 dollars.
A rugby team from the country of Atlantis is formed by randomly drawing from its population. The population distribution is normally distributed with a mean of 165 cm and a standard deviation of 10 cm. The team draws 26 people for the team. What is the probability that the sample mean is less than 163? Give your answer to four decimal places.
Blood pressure is distribued Normally, with a mean of 85 mm and a standard deviation of 20 mm. As a research pysician you are randomly assigned 100 patients. What is the probability that the average blood pressure for your sample of 100 patients is less than 90 mm?
The NJ Department of Health has reported the average life span of NJ residents is 81 years. If the standard deviation is σ = 4 years, what is the probability of a person living to at least 92 years of age?
Blood pressure is distribued Normally, with a mean of 85 mm and a standard deviation of 20 mm. As a research pysician you are randomly assigned 100 patients. What is the probability that the average blood pressure for your sample of 100 patients is less than 84 mm?

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1. If the blood pressure for a people has group of average of 90 and standard deviation 9, if we select 36 individual of that group, what is the probability that their blood pressure is larger than 86.