Assume the random variable x is normally distributed with mean u = 81 and standard deviation o = 5. Find the indicated probability.P(65 In a survey of 3438 adults, 1493 say they have started paying bills online in the last year.Construct a 99% confidence interval for the population proportion. Interpret the results.A 99% confidence interval for the population proportion is(Round to three decimal places as needed.)Interpret your results. Choose the correct answer below.O A. With 99% confidence, it can be said that the population proportion of adults who say they have started paying bills online in the last year is between theendpoints of the given confidence interval.O B. The endpoints of the given confidence interval show that adults pay bills online 99% of the time.O C. With 99% confidence, it can be said that the sample proportion of adults who say they have started paying bills online in the last year is between the endpointsof the given confidence interval.

Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Answered: Assume the random variable x is…

Assume the random variable x is normally distributed with mean u= 81 and standard deviation o = 5. Find the indicated probability. P(65

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: Assume the random variable X is normally distributed, with mean μ = 49 and standard deviation o=4.…

A: From given data we have :The objective is to determine the 13th percentile:

Q: The 7th percentile is

A: Here given , mean = 42 standard deviation = 6 X follow normal distribution with parameter mean =…

Q: Assume the random variable x is normally distributed with mean μ=81 and standard deviation σ=5. Find…

A: It is given that, the random variable x is normally distributed with mean μ=81 and standard…

Q: Assume the random variable x is normally distributed with mean u= 80 and standard deviation o = 5.…

Q: Assume the random variable x is normally distributed with mean μ=82 and standard deviation σ=5. Find…

Q: Assume the random variable x is normally distributed with mean μ=86 and standard deviation σ=5. Find…

A: The following information is provided in the question X~Normal86, 52

Q: Assume the random variable X is normally distributed, with mean p=51 and standard deviation σ = 8.…

Q: Assume the random variable x is normally distributed with meanu=81 and standard deviation o = 4.…

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: Assume the random variable x is normally distributed with mean μ = 85 and standard deviation o=4.…

A: Given that the data is normally distributed with mean 85 and standard deviation 4.Mean () =…

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

A: Mean = 50 Standard deviation = 7

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

A: Given:

Q: Assume the random variable x is normally distributed with mean u = 90 and standard deviation o = 4.…

A: Given that Let X denotes random variable having distribution Normal with mean =90 and standard…

Q: and the probability using the normal distribution: P(z>-2.02). Use The Standard Normal Distribution…

A: According to the given information, we have Z score = -2.02 (Right tailed)

Q: Assume the random variable x is normally distributed with mean μ=85 and standard deviation σ=4. Find…

A: We have find givan probability...

Q: Assume the random variable x is normally distributed with mean μ = 85 and standard deviation o=4.…

A: The mean is and standard deviation is .

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

A: Given that, Random variable X is normally distributed with mean μ=50 and standard deviation σ=7.…

Q: Assume the random variable X is normally distributed, with mean u = 44 and standard deviation o = 4.…

Q: sume the random variable x is normally distributed with mean μ=82 and standard deviation σ=5. 1.…

A: given data, normal distribution μ=82σ=5we have to find the indicated probability.…

Q: Let z be a random variable with a standard normal distribution. Find P(–1.12 ≤ z ≤ 2.58). Use 4…

A: Given, let z be a random variable with standard normal distribution Find P(-1.12≤z≤2.58)

Q: Assume the random variable x is normally distributed with mean μ=81 and standard deviation σ=5. Find…

A: Mean(μ)=81standard deviation(σ)=5

Q: Assume the random variable x is normally distributed with mean μ = 84 and standard deviation o=5.…

A: From the provided information,Mean (µ) = 84Standard deviation (σ) = 5

Q: Find the probability using the normal distribution. Use a TI-83 Plus/TI-84 Plus calculator and round…

A: From the provided information, P (z < 2.13)

Q: Assume the random variable x is normally distributed with mean μ=85 and standard deviation σ=4. Find…

Q: Assume the random variable x is normally distributed with mean μ=87 and a standard deviation σ=4…

A: Given,Mean(μ)=87standard deviation(σ)=4

Q: Let x be a normal random variable with its mean equal to 75 and standard deviation equal to 8. Find…

A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…

Q: find the following probability. P(25<x<32)

A: Given that X follows N(mean = 25, SD = 4), then Z = (X - mean)/SD follows N(0,1)

Q: Assume the random variable x is normally distributed with mean μ=80 and standard deviation σ=5.…

A: Given, X~Normal(μ,σ2)μ=80σ=5

Q: ume the random variable X is normally distributed, with = 15th percentile is und to two decimal…

A: Population mean =53 Population Standard deviation =9

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

A: Sketch the normal curve and shade the area between X=35 and X=62.

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

A: Solution:From the given information, mean value is 50, standard deviation value is 7. Let the random…

Q: Assume the random variable X is normally distributed, with mean u= 57 and standard deviation o = 7…

A: Z-score: The z-score value is a numerical measurement that describes a value of the relationship to…

Q: Assume the random variable X is normally distributed, with mean μ=42 and standard deviation σ=9.…

A: Given, X has normally distributed with population mean( μ ) = 42and a population 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

Assume the random variable x is normally distributed with mean u = 81 and standard deviation o = 5. Find the indicated probability.
P(65<x<79)
P(65<x<79) =
(Round to four decimal places as needed.)

In a survey of 3438 adults, 1493 say they have started paying bills online in the last year.
Construct a 99% confidence interval for the population proportion. Interpret the results.
A 99% confidence interval for the population proportion is
(Round to three decimal places as needed.)
Interpret your results. Choose the correct answer below.
O A. With 99% confidence, it can be said that the population proportion of adults who say they have started paying bills online in the last year is between the
endpoints of the given confidence interval.
O B. The endpoints of the given confidence interval show that adults pay bills online 99% of the time.
O C. With 99% confidence, it can be said that the sample proportion of adults who say they have started paying bills online in the last year is between the endpoints
of the given confidence interval.

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

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

Assume that the probability of a being born with Genetic Condition B is π=π=14/15. A study looks at a random sample of 173 volunteers.Find the most likely number of the 173 volunteers to have Genetic Condition B. (Round answer to one decimal place.) μ = Let XX represent the number of volunteers (out of 173) who have Genetic Condition B. Find the standard deviation for the probability distribution of XX. (Round answer to two decimal places.) σ = Use the range rule of thumb to find the minimum usual value μ-2σ and the maximum usual value μ+2σ.Enter answer as an interval using square-brackets only with whole numbers. ? Round your answer to one decimal place.usual values =
Assume the random variable x is normally distributed with mean μ = 50 and standard deviation a=7. Find the indicated probability. P(x > 38) P(x>38) = (Round to four decimal places as needed.) XXXX
Assume the random variable X is normally distributed with mean μ=50 and standard deviation σ=7. Find the 77th percentile. The 77thpercentile is:
Assume the random variable x is normally distributed with mean μ=88 and standard deviation σ=4. Find the indicated probability. P(75<x<86)=
Assume the random variable x is normally distributed with mean μ = 88 and standard deviation o= 5. Find the indicated probability. P(x<78) P(x<78) = ... (Round to four decimal places as needed.)
An Assume the random variable x is normally distributed with mean p=82 and standard deviation o=4. Find the indicated probability.P(x<80)P(x<80)=(Round to four decimal places as needed.)
Assume the random variable x is normally distributed with mean μ=80 and standard deviation σ=5. Find the indicated probability. P(66<x<70)
Assume the random variable X is normally distributed with a mean of 130 and standard deviation of 21.5. State answers to THREE decimals. P (140 < x < 165) = P( x > 105) =
Assume the random variable x is normally distributed with mean u = 87 and standard deviation o = 4. Find the indicated probability. P(76