A student takes a ten-question true/false exam. Find the probability that the student gets exactly six of the questionsright simply by guessing the answer on every question.A) 0.3331(B) 0.20510.4024D) 0.1123

We want to find the probability P(X=6) Given that n=10 , p=1/2=0.5 X~Binomial(n=10,p=0.5) X=giving…

Answered: A student takes a ten-question…

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

Similar questions

The probability is 0.309that the gestation period of a woman will exceed 9 months. In 3000human gestation periods, roughly how many will exceed 9 months? Roughly? human gestation periods will exceed 9 months.
Illustration 16.19. A bag contains 4 white and 5 black balls and another bag contains 6 white and 10 black balls. A bag is selected at random and a ball is drawn out of it. If the ball so drawn happens to be white, find the probability that it came from the second bag. CS Scanned with CamScanner
The probability that a certain kind of component will survive a shock test is ¾. Find the probability that exactly 3 of the next 4 components tested survivebability that a certain kind of component will survive a shock test is ¾. Find the probability that exactly 3 of the next 4 components tested survive
A group of people were asked if some psychics can help solve murder cases. 197 responded "yes", and 233 responded "no". Find the probability that if a person is chosen at random, the person does NOT believes some psychics can help solve murder cases. Probability = (Round to 4 decimal places)
The probability that it will snow in a city in December is 0.4 a. find the probability that it will not snow on a given day b. find the probability that it will snow on two consecutive days.
John runs a computer software store. Yesterday he counted 125 people who walked by the store, 64 of whom came into the store. Of the 64, only 25 bought something in the store. (Round your answers to two decimal places.) (a) Estimate the probability that a person who walks by the store will enter the store. (b) Estimate the probability that a person who walks into the store will buy something. (c) Estimate the probability that a person who walks by the store will come in and buy something. (d) Estimate the probability that a person who comes into the store will buy nothing.
You're on our way to earn a degree. In one of your courses, you need to pass an exam once to pass the class. The probability that it’d take you at most 6 attempts to pass the exam for once is 728⁄729. Calculate the probability that it would take you more than 3 attempts to pass the exam for once given that you can taake as many attempts as you need.For every attempt, the probability of passing the exam is constant.
John runs a computer software store. Yesterday he counted 127 people who walked by his store, 58 of whom came into the store. Of the 58, only 25 bought something in the store. For each of the following questions, answer using probability notation. Estimate the probability that a person who walks by the store will enter the store.
T7
In a regional shooting competition, the probability that a participant will hit the target is 2/7. If he shoots 13 times, what is the probability that he hits the target exactly 8 times? round off to 4 decimal
25 The probability that an event will happen is P(E) = Find the probability that the event will not happen. 37 %3! The probability that the event will not happen is (Type an integer or a simplified fraction.)
John runs a computer software store. Yesterday he counted 139 people who walked by the store, 68 of whom came into the store. Of the 68, only 23 bought something in the store. (Round your answers to two decimal places.) (a) Estimate the probability that a person who walks by the store will enter the store. (b) Estimate the probability that a person who walks into the store will buy something. (c) Estimate the probability that a person who walks by the store will come in and buy something.

SEE MORE QUESTIONS

Recommended textbooks for you

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability (10th Edition)

Probability

ISBN:

9780134753119

Author:

Sheldon Ross

Publisher:

PEARSON

A First Course in Probability

Probability

ISBN:

9780321794772

Author:

Sheldon Ross

Publisher:

PEARSON

SEE MORE TEXTBOOKS

A student takes a ten-question true/false exam. Find the probability that the student gets exactly six of the questions right simply by guessing the answer on every question. (A) 0.3331 (B) 0.2051 c) 0.4024 (D) 0.1123