SeatworkB. Solve the following problems1. The random variable X, representing the number of nuts in a chocolate bar has the followingprobability distribution. Compute the mean.234P(x)1/103/103/102/101/102. Find the mean of the random variable Y representing the number of red m&m's chocolates per160-gram pack that has the following probability distribution.y467P(y)0.100.370.330.20

Since you have posted multiple questions , we will solve first question for you. To get the…

Answered: 1. The random variable X, representing…

1. The random variable X, representing the number of nuts in a chocolate bar has the following probability distribution. Compute the mean. 1 2 3 4 P(x) 1/10 3/10 3/10 2/10 1/10

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: 2. Let X be a random variable with the following probability distribution: -4 1 P(X)| 0.2 0.3 0.4…

Q: The random variables X and Y have the joint probability distribution given below. X=1 X=2 Y=1 0.20…

A: Given data is

Q: 4.2. One at a time, until the lock is opened (keys that do not work are disca before another is…

A: Since you have posted multiple questions, as per our guidelines, we have provided answer for first…

Q: The accompanying table describes the random variable x, the numbers of adults in groups of five who…

A: Let X be the random variable having probability mass function is, X P(X) 0 0.163 1 0.356…

Q: 4. On average, the number of pumpkin spiced lattes ordered at a local coffee shop during the month…

A: The average number of pumpkin spiced lattes ordered at a local coffee shop during the month of…

Q: For families with 5 children, let � be the number of children with Genetic Condition B. Can the…

A: The question is asking whether the given table can be a probability distribution for the random…

Q: Consider selecting a household at random in the rural area of a country. Define the random variable…

A: We have given that the probability distribution of X in tabulation form. The random variable is the…

Q: A random variable, X has a binomial distribution. The number of trials is 12 and the probability of…

Q: The discrete random variable Xhas the probability distribution given by: 7 12 13 15 P(X=2) u/2 0.05…

A: Solution: From the given information, the probability mass function of X is

Q: a. Find the expected value of each discrete probability distribution. 5. 7. 8. 10 P(x) 0.15 0.32…

Q: dentify the null and alternative hypotheses for this test. Choose the correct answer below. A. Ho:…

A: given data claim : p = 0.10n = 393x = 30α = 0.05

Q: a. What is the probability that more than three letters were dropped in both mailboxes X and Y…

Q: 3. Let X be a random variable with the following probability distribution: 5 10 15 20 25 X P(X) 0.5…

A: X 5 10 15 20 25 P(X) 0.5 0.30 0.25 0.25 0.15

Q: An appliance dealer sells three different models of upright freezers having 14.5, 16.9, and 20.1…

Q: Suppose the random variable X has the following probability distribution. x:0, 2, 4 P(x=x)=0.2 0.1…

A: From the provided information The probability distribution table is as follow: X 0 2 4…

Q: 4. Compute the mean and the Standard deviation of the probability distribution table of : 2 Y 0.2…

Q: For a particular tool, a factory does not use the tool on 10% of days; uses the tool once on 50% of…

A: It is given that a factory does not use the tool on 10% of days; uses the tool once on 50% of days;…

Q: 3. A random variable x has this probability distribution: X 1 2 3 4 5 P(x) .1 .3 .4 .1 ? .05 a. Find…

A: We have given probability mass function of X and we have to find out the probability and mean,SD of…

Q: Suppose the random variable Z follows a standard normal distribution. Then the probability is 0.67…

A: To find the z value, use the standard normal table to find the z-score which cuts off an area of…

Q: Q 5) A die with six faces is rolled. The discrete random variable "X" represents the outcomes on the…

A: given distribution is x 1 2 3 4 5 6 P(X=x) a a a b b 0.3 table represents probability…

Q: 6. A discrete random variable can assume 5 possible values, as listed in the accompanying…

Q: Suppose that for a particular computer salesperson, the probability distribution of x = the number…

A: X12345678P(X=x)0.040.090.140.290.290.130.010.01....

Q: 4. "The temperature of the lava that comes out of a volcano during an eruption" is an example of ---…

A: The objective is to find the correct option.

Q: 4. Dave has a lawn mowing business. Based on daily sales figures for the past two summers, he has…

A: The first part of the question is asking for the probability that Dave mows more than zero lawns on…

Q: 4. The time between arrivals of customers at the drive-up window of a bank follows an exponential…

A: Given,A random variable X~Exponential(θ=110)P(X=x)=110 e-x10 ; X≥0

Q: 9. What does standard deviation measure In a probability distribution? B iU Font Family AA A 三,三

A: Standard deviation measures dispersion of data set relatively to mean.

Q: 2 The time to complete the eight-mile run around Mackinaw Island has a normal distribution The mean…

A: Given Information: Mean μ=56 Standard deviation σ=5

Q: Assume that the number of customers’ Z that pass through an automated teller machine during 2:00…

Q: 2. A limousine service has three cars (sedans) which it hires out by the day. The number of requests…

A: Here is given that, mean of the distribution is 1.5. We will use poisson distribution.

Q: Determine the Variance and Standard Deviation of each random varlable. Write your answer in your…

A: Given that

Q: 3. The discrete random variable Y has the following probability distribution: Y 25 26 27 28 29 P(Y)…

Q: Q2. The following table lists the probability distribution of the number of patients entering the…

Q: Find the probability distribution for the random variable There is a package containing 16…

A: There are 16 resistors so N= 16 4 are defective, X= 4 Probability of selecting defective resistor…

Q: 7. Let X be a random variable with probability distribution given by the following table: X 0 1 2 3…

A: Given, Let X be a random variable with a probability distribution given by the following table: X…

Q: Find the mean of the given probability distribution. The random variable X is the number of houses…

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

Q: g the number of chocolate bar has the following probability distribution. Compute the mean x…

A: Given, x 0 1 2 3 4 P(x) 1/10 3/10 3/10 2/10 1/10

Q: 1. A random variable x has the probability distribution as follows: 2 4 P(x) 1/15 k/15 k/5 4/15 k/15…

Q: A small inn has 4 rooms. Let X represent the number of rooms that are rented out on any given…

A: Introduction: For a discrete random variable X, taking values X = x with probability mass function…

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

Seatwork
B. Solve the following problems
1. The random variable X, representing the number of nuts in a chocolate bar has the following
probability distribution. Compute the mean.
2
3
4
P(x)
1/10
3/10
3/10
2/10
1/10
2. Find the mean of the random variable Y representing the number of red m&m's chocolates per
160-gram pack that has the following probability distribution.
y
4
6
7
P(y)
0.10
0.37
0.33
0.20

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

4. Build the theoretical probability table based on the distribution above. Use the binomial distribution with the theoretical probability and number of trials with each possible value. (To calculate the first value where x = 0, use binomialpdf(n, p, 0), where n and p are your theoretical probability and the number of draws. Do the same thing for x = 1 with binomialpdf(n, p, 1), etc.) x P(x) 0 1 2 3 4 5 6 7 8 9 10
Calculate xpectation and variance of X, if the probability distribution of the random variable X is given by X 1 0.3 f - 0 0.1 1 0.1 2 3 0.3 0.2 shodm
2. The number of patients visiting an emergency room during the graveyard shift (11:00pm-7:00pm), denoted by the random variable X, has the following probability distribution: 1 2 3 4 5 P(X=x) .05 .20 .25 .20 .10 .15 .05 a. Find the probability there will be 3 or more emergency room patients during a randomly selected 8-hour graveyard shift. b. Find the probability there will be an even number of patients. c. Find the probability there will be at least 2 but not more than 5 patients. d. Find the probability there will be less than 2 patients. e. How do you suppose the probability distribution above was obtained?
1. The number of defective parts of a machine with its corresponding probabilities is shown below. Compute for the mean and variance. Number of defective parts (X) Probability P(x) 2 10 3 10 10 10 2. The number of computers sold per day at a local computer store, along with its corresponding probabilities, is shown in the table. Find the mean and the variance of the probability distribution. Number of Items Sold (X) Probability P(X) 0.1 0.2 0.3 0.2 4 0.2
1. In the probability distribution below, the random variable X represents the number of students in classrooms on Mondays at 2 p.m. at SLCC. X P(x) xP(x) x²P(x) 25 0.25 26 0.41 27 0.16 28 0.18 a. Complete the table above. b. Compute the mean of the random variable. c. Compute the standard deviation of the random variable.
In the probability distribution to the right, the random variable X represents the number of marriages an individual aged 15 years or older has been involved in. Complete parts (a) through (f) below. Describe the shape of the distribution. The distribution is multimodal and is skewed right. (c) Compute and interpret the mean of the random variable X. Hx = 0.924 marriages (Type an integer or a decimal. Do not round.) Which of the following interpretations of the mean is correct? A. If many individuals aged 15 year or older were surveyed, one would expect the mean number of marriages to be the mean of the random variable. B. The observed number of marriages will be less than the mean number of marriages for most individuals. C. The observed number of marriages will be equal to the mean number of marriages for most individuals. D. If any number of individuals aged 15 year or older were surveyed, one would expect the mean number of marriages to be the mean of the random variable. (d)…
.A contractor builds three-unit apartment with construction time follows a normal distribution. Suppose that µ=100 days and o=20 days and the contract called for completion in 125 days and late completion will incur a severe penalty fee. What is the probability of not incurring a penalty fee? * 0.8943 0.8525 0.9125 O 0.9343
Answer A-C
3
plz provide handwritten answer for part b
The probability distribution for the number of times breakdown happened in a machine for one week time is given by X = 1 4 5 6 7 P(X = 2) 27 26 93 23 93 17 Find the expected number of breakdowns [Mean] per week. 29.12 3.38 O 11.79 O 5.32
• Investment in 5 Internet business ventures • The number of successful ventures has a probability distribution: x 0 1 2 3 4 5 P(x) .002 .029 .132 .309 .360 .168 • Estimate the probability that x falls within 2 standard deviations of the mean.