4. 0.83525. 0.1500QUESTION 6and the keyLet the probability distribution for X = number of jobs held during the past year by students at acollege be as follows:distributions that134P (X = x)0.250.33The standard deviation of the number of jobs held is0.170.150.10us discrete1. 8.0002. 1.3682statistical infere3. 2.52001 (see section4. 1.28445. 1.6496ie normalS.QUESTION 7The average number of radios sold per day by a firm is approximately Poisson, with a mean ofThe probability that the firm will sell at least two radios over a three-day period is equal1.2.to1. 0.87432. 0.93893. 0.12574. 0.04475. 0.442244

The mean of a discrete random variable X is denoted μx or, when no confusion will arise, simply μ.…

QUESTI ON 6 and Let the probability distribution for X = college be as follows: number of jobs held during the past year by students at a dis 3. 4 5. P (X = x) 0.33 The standard deviation of the number of jobs held is 0.25 0.17 0.15 0.10 1. 8.000 2. 1.3682 3. 2.5200 4. 1.2844 5. 1.6496

QUESTI ON 6 and Let the probability distribution for X = college be as follows: number of jobs held during the past year by students at a dis 3. 4 5. P (X = x) 0.33 The standard deviation of the number of jobs held is 0.25 0.17 0.15 0.10 1. 8.000 2. 1.3682 3. 2.5200 4. 1.2844 5. 1.6496

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: 4.34 Let X be a random variable with the following probability distribution: X f(x) -2 0.3 Find the…

A: E(X)=∑x.P(X)E(X2)=∑x2.P(X)Variance(σ2)=E(X2)-(E(X))2Standard deviation(σ)=E(X2)-(E(X))2

Q: On average, indoor cats live to 15 years old with a standard deviation of 2.6 years. Suppose that…

Q: Assume that the readings at freezing on a bundle of thermometers are normally distributed with a…

A: Solution-: Let, X= The readings at freezing on a bundle of thermometers Given: μ=00C,σ=10C ∴X→…

Q: 2. The number of car accidents in a certain street per week follow a poisson distribution with a…

A: Let X be the number of car accidents. The given mean is λ=0.5. X~Poisson(λ=0.5)

Q: The gestation period of humans follows a normal distribution with a mean of 266 days and a standard…

Q: A large tank of fish from a hatchery is being delivered to a lake. The hatchery claims that the mean…

A: Given: Mean μ=15 Standard Deviation σ=4 n=60 μX¯=μ=15 σX¯=σn =460 =0.5163977795…

Q: Suppose that the weight of seedless watermelons is normally distributed with mean 6.6 kg. and…

A: Given Mean = 6.6 Standard deviation = 1.8kg x is normal distribution

Q: Assume the random variable X is normally distributed with mean u = 50 and standard deviation o = 7.…

Q: Let X be a random variable with the following probability distribution: X f(x) -2 0.5 3 0.3 Find the…

Q: x is a normally distributed random variable with a mean of 22 and a standard deviation of 5. The…

Q: What is the probability that X is odd? Type your answer... PMF f(x) = (¹9) 0.5-0.5¹0 , x = 0, 1,...,…

A: X~Bino(n=10, p=0.5)

Q: Let the random variable X follow a normal distribution with a mean of 61.7 and a standard deviation…

A: The question is about normal distribution Given : Popl. mean ( μ ) = 61.7 Popl. std. deviation ( σ )…

Q: Determine the standard deviation of the probability distribution: 1 3 P(x) 0.48 0.27 0.19 06 Round…

A: Given, What is standard deviation?

Q: a. What is the distribution of X? X - N( 74 17 b. What is the distribution of ? -N 74 c. If a…

A: It is given that Mean, μ = 74 Standard deviation, σ = 17 Sample size, n = 15 Z-Score, Z = ( X - μ…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Given data Mean = 259 feet Standard deviation = 37 feet

Q: If n=7 (days campus is open) and p=0.22 (the probability that a student is on campus on any given…

A: n=7, p=0.22 X~ B(n=7, p=0.22) Mean=E(x)=np Variance=np(1-p) Standard deviation=√variance

Q: The average student loan debt for college graduates is $25,600. Suppose that that distribution is…

Q: The average cost per household of owning a brand new car is P5000. Suppose that we randomly selected…

A: The data is given as- Mean: μ=5000standard deviation: σ=1550 n=35

Q: C. X is a normally distributed random variable with a mean of 57 and a standard deviation of 6. Find…

A: Given data : Population mean = 57 Population standard deviation = 6

Q: Assume the random variable X is normally distributed, with mean u= 41 and standard deviation o = 9.…

A: Given Mean =41 Standard deviation=9

Q: A Gaussian distribution of the ground clearance of aircraft flying in the sky. Suppose there is a…

A: It was stated that a Gaussian distribution of the ground clearance of aircraft flying in the sky.…

Q: The mean height of an adult giraffe is 18 feet. Suppose that the distribution is normally…

A: The curve of the normal distribution is bell shaped and symmetric about the mean of the…

Q: 4. Let’s sample n scores from a probability distribution and estimate the sample mean and the…

A: Since you have asked posted a question with multiple sub-parts, we will solve the first three…

Q: The National Longitudinal Study of Adolescent Health interviewed several thousand teens (grades 7 to…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts. In case…

Q: The mean amount of time it takes a kidney stone to pass is 16 days and the standard deviation is 6…

A: Given that the mean amount of time it takes a kidney stone to pass is 16 days and the standard…

Q: The average time to run the 5K fun run is 20 minutes and the standard deviation is 2.4 minutes. 10…

A: Given Mean=20 Standard deviations=2.4 Sample size=10

Q: C. X is a normally distributed random variable with a mean of 57 and a standard deviation of 6. Find…

Q: Find the following probability by using Standard Normal distribution table: 1. P(-1.27 -2.64) 3.…

A: The given probabilities are 1. P-1.27<Z≤0 2. PZ>-2.64 3. PZ≤0.96 4. P-2.31<Z≤0.82 5.…

Q: A discrete random variable X can assume the following values, 42, 44, 46, 48, 50. Its probability…

A: X 42 44 46 48 50 P(X) 0.3 a 0.2 0.1 0.15

Q: normally distributed with a mean of $39,269 and a standard deviation of $2,550. The probability…

Q: An elevator has a placard stating that the maximum capacity is 1352 lb-8 passengers. So, 8 adult…

A: given data, normal distribution σ=28μ=171n=8p(x¯>169)=?

Q: Let X be the time taken to assemble a car in a certain plant. X is a random variable having a normal…

A: Given information: X is a random variable denoting the time taken to assemble a car in a certain…

Q: Q6. (10%) Figure below shows the mean values of the cash flows associated with some investment. The…

A: The net present worth (NPW) applies to a series of cash flows occurring at different times.…

Q: 6.2 The Standard Normal Distribution Table: Find Probability Use the standard normal distribution…

A: Solution: Let Z be the standard normal variable with mean μ=0 and standard deviation σ=1.…

Q: Suppose the full score for our final exam is 200 points. Based on previous record, we know students…

A: Given that. X~N( μ , ?) μ=160 , ?=15 , n=25 Z-score =( x - μ )/?

Q: Let X have a normal distribution with mean 6 and standard deviation 3. 1) Compute the probability…

A: Given data normal distributionμ = 6σ = 3

Q: The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 38…

A: Given data,normal distributionμ=38σ=8.7

Q: Assume that the number of sick patient per day are normally distributed with a mean of 5000 and a…

Q: GlenBluss Community College has a population mean GPA is 2.82 with population standard deviation of…

A: Let X be the GPA of college students. Let us assume that X is normally distributed with mean 2.82…

Q: The average number of miles (in thousands) that a car's tire will function before needing…

A: Step 1:1(a).Given data :Mean (μ) : 64 thousand milesStandard Deviation (σ) : 18 thousand milesSample…

Q: Let x denote the time taken to run a road race. Supposex is approximately normally distributed with…

A: Ans: Given, X ~ N(μ, σ) Where μ = 190 minutes and σ = 21 minutes Find P( 219…

Q: In 2008, the per capita consumption of soft drinks in Country A was reported to be 18.03 gallons…

Q: Let X be the time taken to assemble a car in a certain plant. X is a random variable having a normal…

A: Given that X~Normal distribution. Where mean, mu= 30 And standard deviation, sigma = 4 We've to…

Q: A random variable X is assumed to be normally distributed with a mean of 200 and a standard…

Q: III. Mean, Variance and Standard Deviation of Discrete Random Variable bers (15-17). Determine the…

A: We have to find mean and Sd for given data. As per guideline expert have to answer one question…

Q: The average American man consumes 9.9 grams of sodium each day. Suppose that the sodium consumption…

A: Normal distribution:If a random variable X follows normal distribution with mean µ and the standard…

Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

100%

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Point Estimation, Limit Theorems, Approximations, and Bounds$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.

Similar questions

Q2 It is known that the average mark in a first-year math course exam is normally distributed with a mean of 63 and a standard deviation of 10. Using this information, find 1. The probability that the average exam mark will exceed 75. 2. The probability that the average exam mark will be less than 50. 3. The probability that the average exam mark will lie between 75 and 90. Q3 It is known that the time to failure, in years, of an electronic component is exponentially distributed with λ = 0.2. 1. What is the average time to failure, in years, of this component? 2. Calculate the probability that the time to failure of this component is between 4 and 6 years. 3. What is the expected time to failure of this component if we know it has already lasted 5 years?
3 Let X represent the full height of a certain species of tree. Assume that X has a normal distribution with a mean of 136.8 ft and a standard deviation of 8.1 ft. A tree of this type grows in my backyard, and it stands 141.7 feet tall. Find the probability that the height of a randomly selected tree is as tall as mine or shorter. My neighbor also has a tree of this type growing in her backyard, but hers stands 149.8 feet tall. Find the probability that the full height of a randomly selected tree is at least as tall as hers. Enter your answers as decimals accurate to 4 decimal places. Submit Question 3.0 E D FFB $ 4 70 F in de % FSS T G MacBook Air Y & 7 H *** 8 U UI J F9 K
Let x be a continuous random variable that is normally distributed with a mean of 126.4 and a standard deviation of 18.7. Find the probability that x assumes a value between 96.7 and 131.1. Round your answer to four decimal places. The probability = i
What is the probability when x = 1 and the mean = 10 and standard deviation = 3. c. 0.1151 a. 0.0013 b. 0.0179 d. 0.1841 Ans:
Pleasee answer all subparts for like...
Assume that the random variable X is normally distributed with mean = 186.8 and standard deviation = 32. Let n = 50. Find P(195< < 200).
Suppose that random variable X follows a normal distribution with mean 20 and standard deviation 10. Let Y=10-2X. The probability P(5sY<15) is closest to O 0.2417 0.4995 0.4332 O 0.0279 O 0.1915
The number of ants per acre in the forest is normally distributed with mean 44,000 and standard deviation 12,192. Let X = number of ants in a randomly selected acre of the forest. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( 44,000 12,192 b. Find the probability that a randomly selected acre in the forest has fewer than 47,638 ants. c. Find the probability that a randomly selected acre has between 45,935 and 56,143 ants. d. Find the first quartile. ants (round your answer to a whole number)
Here is a probability distribution: X 2 4 7 10 P(X) 0.3 0.05 0.3 0.35 Find the mean of this distribution. Enter your answer rounded to 2 decimal places. 6.40 Find the standard deviation of this distribution. Enter your answer rounded to 2 decimal places. 2.48 x
= Assume that the probability of a being born with Genetic Condition B is p sample of 291 volunteers. 29/30. A study looks at a random Find the most likely number of the 291 volunteers to have Genetic Condition B. (Round answer to one decimal place.) P = Let X represent the number of volunteers (out of 291) who have Genetic Condition B. Find the standard deviation for the probability distribution of X. (Round answer to two decimal places.) O= Use the range rule of thumb to find the minimum usual value µ-20 and the maximum usual value μ+2o. Enter answer as an interval using square-brackets only with whole numbers. usual values =