4. If z = 1.5, µ = 79 and o = 5, what is its corresponding random variable X?%3Da. 86.5b. 85.6c. 79.5d. 76.5 5. Ali and Geo compare their scores in Calculus for this semester. They find that the average scoreis 42 with the standard deviation of 4. Ali's score is 48 while Geo's score corresponding z-scorevalue of z = 1.45. Who got the higher score?а. Alib. Geoc. both of them d. none of them.

4) Given data,z=1.5μ=79σ=5X=?

Answered: 4. If z = 1.5, µ = 79 and o = 5, what…

Math

Probability

4. If z = 1.5, µ = 79 and o = 5, what is its corresponding random variable X? a. 86.5 b. 85.6 c. 79.5 d. 76.5

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Related questions

Q: 4.36 What is the probability of X lying between 49 and 50 for a random sample of 36 from a…

A: Given that Mean = 48 , Standard deviation = 12 , n = 36

Q: Given that z is a standard normal random variable, find z for each situation. a. The area to the…

A: given data given that z is a standard normal random variable, we have to find z for each…

Q: A random sample of n1 = 10 regions in New England gave the following violent crime rates (per…

A: Given x1:new england crime rate x2 rocky mountain crime rate 3.3 3.9 3.9 4.1 4.2 4.5 4.1…

Q: A random sample of n1 = 10 regions in New England gave the following violent crime rates (per…

Q: One sample has M1 = 18 and a second sample has M2 = 14. If the pooled variance for the two samples…

A: Given : M1 = 18 M2 = 14. Pooled variance for the two samples is s2p = 16, Pooled Standard deviation…

Q: 13 If a probability or 2 place decimal like area is found to be 0.77 0.5167, what is the z Score

A: To find the z-score, if a probability or area is found to be 0.5167. Z-score is a measure which…

Q: 2. Which of the following statement describe a continuous random variable? a. The average distance…

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

Q: A harried passenger will be several minutes late for a scheduled 10 A.M. flight to NYC.…

Q: For a random variable X with standard deviation 5, Variance of 2x + 4 is Question 4Select one: a.…

A: Answer is in the explanation box.Explanation:

Q: O 3. What is the probability distribution of X when X - B(1, )? P(X = 0) = 0.04 P(X = 1) = 0.96 P(X…

Q: Let x be a random variable that represents the batting average of a professional baseball player.…

A: For the given data Find the

Q: Given the standard normal random variable Z, find Pr(-2.08 <ZS 1.76). O A. 0.9420 O B. 0.0580 O C.…

A: We need to compute Pr(−2.08≤Z≤1.76), where Z has a standard normal distribution.

Q: QUESTION 18 The service time for customers coming through a checkout counter has mean 50 seconds and…

Q: According to Mars, 24% of M&M plain candies are blue. In a given sample of 100 M&Ms, 27 are found to…

Q: Given that z is a standard normal random variable, find z for each situation (to 2 decimals). a. The…

A: We have to find area to the right of z is 0.10.

Q: a) 10.99 % b) 87.19 7. CJ41.09 ). Il. Eisht pacent of all college graduates hired by companies sley…

Q: If ?(−2 < ? < ?) = .6, where Z is a standard normal random variable, what is the value of ??

A: Correct answer is 0.313

Q: Write short notes on the following. 1. Discrete Random Variable 2. Continuous random variable…

A: As per our guidelines, we are allowed to answer first question only. Thanks 1. Discrete Random…

Q: . Given that Z is the standard normal random variable, what is P(Z > -0.28) ? 0.6103 0.3897…

A: given data standard normal distribution Z~N(0,1) P(Z>-0.28) = ?

Q: occurs? (d) If a car accident has not happened in 3 hours, what is the probability it will happen in…

A: One car accident in 60 mile road occuring in 60 minutes . Car accidents are independent Two…

Q: Given that Z is a standard normal random variable, what is the value of Z if the area to the left of…

A: The random variable Z follows standard normal distribution. We have to find the value of Z if the…

Q: 6. Continuous random variable is a numerical quantity derived from the outcome of an experiment that…

A: Discrete Variable - The variable which is countable is known as discrete variable. For example. The…

Q: f z

A: As, z is a standard number variable, so Mean (μ) = 0 Standard Deviation (σ) = 1 So, Z = z-01~N(0,1)

Q: 1. Suppose 95.4% of patients in a hospital have weights between 60 kg and 80 kg. Find the mean,…

A: Note: According to Bartleby guidelines expert solve only one question and rest can be reposted.

Q: 4. If P(X)-. what are the possible values of X for it to be a probability NO distribution? A. 0, 2,…

A: As per Bartleby guidelines for more than one question asked only one is to be answered please upload…

Q: robabilities. Use Table B (Z-table) to find the probabilities listed here. In each instance, sketch…

A: Use Table B (Z-table) to find the probabilities.

Q: *For numbers 11 -15, use the given information below. The probabilities of a manufacturing company…

A: Given that : X represents no. Of defective flashlights P(x) shows the probability of x. Now by…

Q: If random samples, each with n = 4 scores, are selected from a normal population with µ = 80 and σ =…

Q: For a binomial random variable with a mean of 20 and 100 trials, what is the standard deviation? *…

A: Given : For a Binomial r.v with Mean = 20 No. of trials (n) = 100

Q: Assume that a random variable is normally distributed with a mean of 1,200 and a variance of 310.…

A: GivemMean(μ)=1200variance(σ2)=310standard deviation(σ)=310standard deviation(σ)=17.60681686

Q: x1: New England Crime Rate 3.3 3.7 4.0 3.9 3.3 4.1 1.8 4.8 2.9 3.1 Another random sample of n2 =…

A: Given that, x1: New England Crime Rate 3.3 3.7 4.0 3.9 3.3 4.1 1.8 4.8 2.9…

Q: *Assume that the random variable X is normally distributed, with mean - 45 and standard deviation…

Q: random sample of n1 = 10 regions in New England gave the following violent crime rates (per million…

A: We have used the excel data analysis tool to run the regression analysis.

Q: S A randem variable X has the following probability distribution. What is the valur of e? 2. 3. 4.…

A: It is given that the There is a random variable X with the corresponding probabilities: We know that…

Q: Question 1 For each question, enter T for true or F for false. • 1. The purpose of ANOVA is to check…

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

Q: A random sample of n1 = 10 regions in New England gave the following violent crime rates (per…

A: State the hypotheses.

Q: 2. For a normal population with u=100 and o=15, %3D a what is the probability of obtaining a sample…

A: Draw the normal curve and shade the area to the right of z=1. Since the total area under the normal…

Q: A random sample of n1 = 10 regions in New England gave the following violent crime rates (per…

A: Assume that the crime rate in Region NE and Region RM are independent. Further, the population…

Q: A normal random variable X has an unknown mean and standard deviation. The probability that X…

Q: 1. A random variable, X, follows a hypergeometric distribution with N=50, a-10 and n=6. Which of the…

A: Given are some facts about distributions.Want to check if they are correct or not and want to verify…

Q: of 1.7 hours. What is the probability that a randomly selected group of 35 high school students get…

A: Let X be the random variable that the sleep hours of teenagers that attend public high schools.…

Q: QUESTION 8 For any continuous random variable, the probability that the random variable takes a…

A: Formula: Probability( p)lies between 0 to 1 I.e. 0 <p<1, and sum of all probability is 1

Q: nswer the following questions. 1. The amount of rainfall in California in 2021 is A) A discrete…

A: 1) Option B is correct. A continuous random variable is a random variable where the data can take…

Q: 5. If z is a standard normal random variable, find the value of c: P(z < c)= 0.6950…

A: Given information P (z < c) = 0.6950

Q: A random sample of n₁ = 10 regions in New England gave the following violent crime rates (per…

A: Let x1 denote the New England crime rate and the data is as…

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%

4. If z = 1.5, µ = 79 and o = 5, what is its corresponding random variable X?
%3D
a. 86.5
b. 85.6
c. 79.5
d. 76.5

5. Ali and Geo compare their scores in Calculus for this semester. They find that the average score
is 42 with the standard deviation of 4. Ali's score is 48 while Geo's score corresponding z-score
value of z = 1.45. Who got the higher score?
а. Ali
b. Geo
c. both of them d. none of them.

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

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 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, probability and related others by exploring similar questions and additional content below.

Similar questions

4. For a population with a µ = 72 and o = 20. What is the probability of obtaining a sample mean greater than 75 a. for a random sample of N = 100 scores? b. for a random sample of N = 225 scores?
47.
18 O 16 O 20 42 QUESTION 9 The service time for customers coming through a checkout counter has mean 50 seconds and standard deviation 6.8 seconds. Find the probability that the average service time for 64 passengers to get service will be between 48.4 and 51.6 seconds. O 0.0301 O 0.1897 0.9699 O 0.9399 QUESTION 10 A research worker wants to determine the average time it takes a mechanic to rotate the tires of a car, and she wants to be able to assert with 95% confidence that the mean of her sample is off by at most 0.3 minutes. If she can presume from past experience that the actual time follows normal distribution with a standard deviation of 1.5 minutes, how large the sample will she have to take? O 96 97 9. Save All Answers Click Save and Submit to save and submit. Click Save All Answers to save all answers. O O O O
MN.27.
Given that Z is a standard normal random variable, what is the value of Z if the area to the right of Z is 0.7054? A.-0.54 B.1.54 C.0.54 D.-1.54
The probability that a radish seed will germinate is 0.7. A gardener plants seeds in batches of 9. Find the standard deviation for the binomial random variable X, the number of seeds germinating in each batch Round to three decimals A. 1.375. OB. 1.296 O C. 1.281 OD. 1.358
15
Given that z is a standard normal random variable, find z for each situation (to 2 decimals). Use Table 1 in Appendix B. a. The area to the left of z is 0.2119. -.8 b. The area between -z and z is 0.903. 1.3 c. The area between -z and z is 0.2206. .28 d. The area to the left of z is 0.9948. 2.59 e. The area to the right of z is 0.6915. -.5
Please answer 2 sub parts of questions 1 D,E along with the stages of the process, thank you...
11.
Question 5 Z is a standard normal random variable. The P(1.11
A random sample of n1 = 10 regions in New England gave the following violent crime rates (per million population). x1: New England Crime Rate 3.3 3.7 4.2 3.9 3.3 4.1 1.8 4.8 2.9 3.1 Another random sample of n2 = 12 regions in the Rocky Mountain states gave the following violent crime rates (per million population). x2: Rocky Mountain Crime Rate 3.9 4.1 4.5 5.5 3.3 4.8 3.5 2.4 3.1 3.5 5.2 2.8 Assume that the crime rate distribution is approximately normal in both regions. Do the data indicate that the violent crime rate in the Rocky Mountain region is higher than in New England? Use ? = 0.01. Solve the problem using both the traditional method and the P-value method. (Test the difference ?1 − ?2. Round the test statistic and critical value to three decimal places.) test statistic critical value