Random guesses are made on a 10 question multiple choice (a, b, c, d) exam. Hint: Use a binomial distribution to answer the questions What are p and q? What is the probability of exactly 3 correct answers? What is the probability of more than 5 correct answers?

Random guesses are made on a 10 question multiple choice (a, b, c, d) exam. Hint: Use a binomial distribution to answer the questions What are p and q? What is the probability of exactly 3 correct answers? What is the probability of more than 5 correct answers?

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: he normal distribution to approximate the binomial distribution. If you can, find the mean and…

A: here binomial distribution with n = 60 p = 0.59 = probability that adult have used multivitamin in…

Q: You are playing a card came, and the probability that you will win a game is p = 0.72. If you play…

A: p = 0.72n = 1003

Q: World class runners complete a marathon in an average of 145 minutes with a standard deviation of 14…

A: From the provided information, Mean (µ) = 145 minutes Standard deviation (σ) = 14 minutes Let X be a…

Q: The mean number of words per minute (WPM) read by sixth graders is 98 with a standard deviation of…

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: Given,n=40p=0.46q=1-0.46=0.54

Q: ENNBC recently reported that the mean annual cost of auto insurance is 1002 dollars. Assume the sta…

A: Note: Please repost remaining subparts as i can author only 3 subparts as per my policy Given…

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: Given: n=50 p=64℅=0.64 q=(1-0.64) =0.36

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: We have given that the random variable X that is ise of multivitamin follows binomial distribution…

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: Here, if success is considered as the event that an adult have used a multivitamin in the past 12…

Q: Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the…

A: Solution: It is given that, Population mean, 70 Standard deviation, 5 Given that Cody took his first…

Q: A fair coin is tossed 60 times. Find the probability that the head appears between 20 and 40 times…

A: X~Bin(n=60, p=0.5) P(20<X<40)= ?

Q: The population mean annual salary for an electrician is $46,700.A random sample of 42 electricians…

Q: À binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: Given data is appropriate for binomial distribution . because number are trials are fixed. A…

Q: d. a simple random sample of 40 auto insurance policies, find the probability that the average cost…

A: From the information, given thatlet X denotes the cost which follows normal distribution with the…

Q: les are binomial. If values are not found in the binomial distribution table, use the binomial…

A: Given: n=300,p=25% = 0.25 The mean of number of accidents caused by bad weather is:

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: Assuming a random variable, X~B(n,p) can be approximated to the normal distribution, i.e…

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: if X is the binomial random variable, then X∼B(n,p) The shape of the binomial distribution needs…

Q: Subject: IQ Scores I asked 6 students their IQ scores and found that the mean score to be 100 and…

Q: The amount of annual snowfall in a certain mountain range is normally distributed with a mean of 75…

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: First, we need to determine if we can use the normal approximation to the binomial distribution. The…

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: Here a binomial experiment is given, we need to find whether a normal approximation to binomial…

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: The information provided in the question are as follows :-Proportion of adults that have used…

Q: (a) Find the mean, variance, and standard deviation. (b) How many times would you expect to have…

A: Let X be the random variable the number of times you play the lottery before winning the first…

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: The given information is as followsThe number of trials is The probability of success in a signal…

Q: CNNBC recently reported that the mean annual cost of auto insurance is 999 dollars. Assume the…

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

Q: ou go to see eight movies every year and win whenever nobody talks. The long-term probability of…

A: Given data, n=8 p=0.3

Q: NBA basketball players have a mean height of 79 inches and a standard devaiation of 3.5 inches.…

A: Solution: Let X be the height of NBA basketball player. From the given information, µ=79 inches and…

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

Q: height of 80.1 inches and standard deviation of 2.97 inches. Round your answers to four places after…

Q: CNNBC recently reported that the mean annual cost of auto insurance is 1042 dollars. Assume the…

A: As per bartleby guideline expert have to answer first three subpart only dear student please upload…

Q: Refer to the accompanying table, which describes results from groups of 8 births from 8 different…

A: Step 1: Given that, Random variable (x)= Number of girls among 8 children we have to find the mean…

Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…

A: We have given that, X be the random variable from normal distribution with mean (μ) = 62.6 ,…

Q: ary, fill in the answer boxes within your choice. deviation is d.)

Q: Erla rolls six sided dice 15 times. What is the standard deviation of the number of sixes that…

A: Let p be the probability of six p=1/6, n=15 Let X be the number of sixes in rolling of dice Then…

Q: To avoid unpleasant surprises when the statement comes, you try to record all your credit card…

A: Let us define a Bernoulli random variable Xi such that, Xi=1 the ith purchase is unrecorded0…

Question

Random guesses are made on a 10 question multiple choice (a, b, c, d) exam. Hint: Use a binomial distribution to answer the questions

What are p and q?
What is the probability of exactly 3 correct answers?
What is the probability of more than 5 correct answers?
Find the mean and standard deviation for this distribution.
Would it be unusual to get 6 correct answers?

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 with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

a and b part
Refer to the accompanying table, which describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Find the mean and standard deviation for the number of girls in 8 births. Click the icon to view the data table. The mean is µ = girl(s). (Round to one decimal place as needed.) Table of numbers of girls and probabilities Number of Girls x P(x) 0.006 1 0.031 2 0.114 3 0.212 4 0.266 0.224 0.115 7 0.029 8. 0.003 Print Done
Paragraph Styles 5. Jimmy has an unfair coin that he flips and it lands on heads 75% of the time. If he flips this coin four times, what is the probability that he will get only 1 heads? What is the mean for number of heads? Variance? Standard Deviation? acer
A binomial experiment is given. Decide whether you can use the normal distribution to approximate the binomial distribution. If you can, find the mean and standard deviation. If you cannot, explain why. A survey of adults found that 61% have used a multivitamin in the past 12 months. You randomly select 50 adults and ask them if they have used a multivitamin in the past 12 months.
Eighty-three percent of adults in a certain country believe that life on other planets is plausible. You randomly select five adults and ask them whether they believe that life on other planets is plausible. The random variable represents the number of adults who believe that life on other planets is plausible. Find the mean, variance, and standard deviation of the binomial distribution for the random variable. Interpret the results find the mean, variance, and standard deviation
A binomial experiment is given. Decide whether you can use the normal distribution to approximate the binomial distribution. If you can, find the mean and standard deviation. If you cannot, explain why. A survey of adults found that 65% have used a multivitamin in the past 12 months. You randomly select 50 adults and ask them if they have used a multivitamin in the past 12 months.
Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
A binomial experiment is given. Decide whether you can use the normal distribution to approximate the binomial distribution, If you can, find the mean and standard deviation. If you cạnnot, explain why. A survey of adults found that 63% have used a multivitamin in the past 12 months. You randomly select 50 adults and ask them if they have used a multivitamin in the past 12 months. Select the correct answer below and, if necessary, fill in the answer boxes within your choice. O A. No, because nq <5. O B. No, because np < 5. OC. Yes, the mean is and the standard deviation is (Round to two decimal places as needed.) STA 251 STA Charles Warburn 1 18: 9:C Get more help - Clear all Check answer 12:2
A binomial experiment is given. Decide whether you can use the normal distribution to approximate the binomial distribution. If you can, find the mean and standard deviation. If you cannot, explain why. A survey of adults found that 44% have used a multivitamin in the past 12 months. You randomly select 50 adults and ask them if they have used a multivitamin in the past 12 months.
This is a 3 part question please help!