Determine the expected value and the standard deviation of the following probability distribution. Round final answers to two decimal places. x P(x) 1 0.44 2 0.25 3 0.19 4 0.12 a) Determine the expected value. b) Determine the standard deviation

Determine the expected value and the standard deviation of the following probability distribution. Round final answers to two decimal places. x P(x) 1 0.44 2 0.25 3 0.19 4 0.12 a) Determine the expected value. b) Determine the standard deviation

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: Determine the required value of the missing probability to make the distribution a discrete…

A: Given, X 3 4 5 6 P(X) 0.23 ? 0.45 0.11

Q: random variable x represents the number of credit cards that adults have along with the…

A: Let X be the random variable having probability mass function is, XP(X) 00.0710.6820.2130.0340.01

Q: find the mean of this probability distribution, round your answer to one decimal place. X 0,1,2,3…

A: x P(X) x*P(x) 0 0.3 0 1 0.2 0.2 2 0.15 0.3 3 0.35 1.05 ∑x*P(x) = 1.55

Q: Calculate the mean, variance, and standard deviation of this probability distribution. (Show all…

A: Mean=E(X)=∑X P(X) =(0 * 0.27)+(1 * 0.35)+(2 * 0.18)+(3 * 0.12) +(4 *…

Q: The probability that a seed germinates is 55%. Plant 5 seeds. Let the random variable X be the…

A: The given information is:The number of trials is The success of probability

Q: Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000…

A: Defects012345Probability0.2580.2890.2430.1520.0380.020

Q: Determine the required value of the missing probability to make the distribution a discrete…

A: Probability distribution table is given.

Q: The owner of a local movie theater keeps track of the number of tickets sold in each purchase and…

Q: Describe the shape of the distribution. The distribution has one mode and is skewed right. (e)…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

A: Suppose be the number of school-related extracurricular activities per student.The probability…

Q: Let X represent the number of tires with low air pressure on a randomly chosen car. The probability…

A: E(X)=∑X.P(X)E(X)=0×0.1+1×0.2+2×0.4+3×0.2+4×0.1E(X)=0+0.2+0.8+0.6+0.4E(X)=2

Q: P(4) = (Type an integer or a decimal.)

Q: Consider the probability distribution for number of children in local families. x P(x) 0 0.03 1…

A: For a discrete random variable, X, with probability distribution P(X), the relation ∑PX=1 holds…

Q: Complete parts (a) and (b) below. The number of dogs per household in a small town Dogs 0.…

A: a). The table shows the calculations for the mean: X p(X)p(X) X \cdot p(X)X⋅p(X) 0 0.653 0\cdot…

Q: P(X) 0.2 1 0.25 2 0.2 3 0.35 Find the mean of this probability distribution. Round your answer to…

Q: Find the mean of the probability distribution shown. (Round to 2 decimal places)

Q: x P(x) 0 0.2 1 0.05 2 0.15 3 0.6 Find the mean of this probability distribution. Round your answer…

A: xP(x)00.210.0520.1530.6Mean of the distribution = ?

Q: Calculate the mean, variance, and standard deviation for the probability distribution. Baseball…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

Q: Determine the required value of the missing probability to make the distribution a discrete…

Q: The table below shoes the number of dogs per household in a neighborhood 0 1 2 3 4 5 0.686…

A: a).The expected value (mean) of the probability distribution can be obtained as follows:

Q: Find the standard deviation for the given probability distribution. P(x) 0.15 1 0.17 0.11 0.33 4…

A: Given : X P(X) 0 0.15 1 0.17 2 0.11 3 0.33 4 0.24

Q: Yara has basketball practice two days a week. Eighty-four percent of the time she attends both…

A: Letp_2: This represents the probability that Yara attends both practices in a given week. In the…

Q: a. Calculate the probability that the average number of minutes that diners spend at their table for…

A: Let X denote number of minutes that drivers spend at their table for dinner. Given that X follows…

Q: Determine the required value of the missing probability to make the distribution a discrete…

A: According to the given information, we have The probability distribution is given.

Q: e missing probability?

A: Given that Probability distribution table as X 5 10 15 20 25 30 P(X) 0.05 0.14 0.23 0.48 0.08…

Q: Complete parts (a) and (b) below. The number of dogs per household in a small town Dogs 1 4…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of defects per 1000…

A: The number of defects and their corresponding probabilities are given.

Q: The table below shows the probability distribution of the random variable X. a. Find the mean of the…

Q: X 0 1 2 3 P(x) 0.2 0.1 0.1 0.6 Find the standard deviation of this probability distribution. Give…

A: We have given the Probability…

Q: The probability distribution below is for the random variable X = the number of credits taken during…

A: From the provided information, Credits (x) 14 15 16 17 Probability P (X) 0.05 0.65 0.20 0.10…

Q: P(x) 0.2 1 0.3 2 0.05 3 0.45 Find the mean of this probability distribution. Round your answer to…

A: Given data is x P(x) 0 0.2 1 0.3 2 0.05 3 0.45

Q: The probabilities and the number of automobiles lined up at the Ford dealership at opening time…

Q: Teachers' Salaries The average annual salary for all U.S. teachers is $47,750. Assume that the…

Q: Find the mean and standard deviation for the following probability distribution. P(x) 0.21 1 0.2 2…

A: Introduction: The random variable X has probability distribution function P (x), such that, P (x) =…

Q: Show how to find the mean and standard deviation of the following probability distribution. Round…

A: Formula Used: Mean E[X] = ∑X·P(X) Standard deviation = Var(X) Where, Var(X) = E(X2)-[E(X)]2 E(X2) =…

Q: Use the probability distribution to complete parts (a) and (b) below. The number of school-related…

A: Formulas E(X)=∑x×p(x) E(X2)=∑x2×p(x) Variance = E(X2)-(E(X))2 Standard deviations=√Variance

Q: Determine the required value of the missing probability to make the distribution a discrete…

A: Missing probability distribution table.

Q: Calculate the standard deviation o of X for the probability distribution. (Round your answer to two…

Q: Find the mean, variance and standard deviation for the probability distribution given below: X…

A: Given X -5 2 12 10 P(X) 0.553 0.136 0.213 0.098

Question

Determine the expected value and the standard deviation of the following probability distribution. Round final answers to two decimal places.

x	P(x)
1	0.44
2	0.25
3	0.19
4	0.12

a) Determine the expected value.

b) Determine the standard deviation.

Video Video

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

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

Pavn
Quiz: Self-Check 3.2 This Question: 1 pt 5 of 8 (4 cor Complete parts (a) and (b) below. The number of dogs per household in a small town Dogs 3 4 Probability 0.662 0.212 0.083 0,022 0.013 0.008 (a) Find the mean, variance, and standard deviation of the probability distribution. Find the mean of the probability distribution. 卫三 (Round to one decimal place as needed.) Find the variance of the probability distribution. (Round to one decimal place as needed.) Find the standard deviation of the probability distribution. | (Round to one decimal place as needed.) (b) Interpret the results in the context of the real-life situation. Click to selecCt your answer(S). Video Tuterial How to Find Probablitie T1-84. =earch
P(x) 0.1 6 0.2 9. 0.1 11 0.6 Find the mean and standard deviation of this probability distribution. Give your answer to at least 2 decimal places. Mean: Standard Deviation:
find the standard deviation of this probability distribution. give your answer to 2 decimal places. x 0,1,2,3 p(x) 0.15,0.3,0.05,0.5
Use the probability distribution to complete parts (a) and (b) below. Activities Probability0 0.0591 0.1212 0.1633 0.1794 0.2165 0.1276 0.0837 0.052 The number of school-related extracurricular activities per student (a) Find the mean, variance, and standard deviation of the probability distribution. (b) Interpret the results.
Find the mean and standard deviation of the given probability distribution. Round your answers to 2 places after the decimal point, if necessary. X 0 1 4 6 7 Mean = P(x) 0.05 0.26 0.33 0.16 0.2 Standard deviation =
Use the probability distribution to complete parts (a) and (b) below. The number of school-related extracurricular activities per student Activities 0 1 2 3 4 5 6 7 Probability 0.057 0.124 0.164 0.178 0.210 0.128 0.086 0.053 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is (Round to one decimal place as needed.) The variance is (Round to one decimal place as needed.) The standard deviation is (Round to one decimal place as needed.) (b) Interpret the results. The mean is so the average student is involved in (Round to one decimal place as needed.) ... The standard deviation is so the typical number of activities per student
I need help with all parts of this quesiton 18
P(x) 0.25 1 0.1 2 0.15 3 0.5 Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal places Question Help: D Video Message instructor Submit Question Jump to Answer
Determine the required value of the missing probability to make the distribution a discrete probability distribution. P(x) 0.18 0.41 6 0.16 P(4) = (Type an integer or a decimal.) Enter your answer in the answer box. M Chp esc
Determine the required value of the missing probability to make the distribution a discrete probability distribution. P(x) 0.28 4 0.28 0.22 P(4) = (Type an integer or a decimal.) %3D Enter your answer in the answer box and then click Check Answer. All parts showing esc -> % 5
Determine the required value of the missing probability to make the distribution a discrete probability distribution. X P(x) 3 0.22 4 ? 5 0.34 6. 0.25 ..... P(4) = (Type an integer or a decimal.) %D