Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. in a multiple choice test, there are 10 questions.

In a multiple choice test, there are 10 questions. Each question has 4 choices, one...

90.2K

Verified Solution

Question

Basic Math

image

In a multiple choice test, there are 10 questions. Each question has 4 choices, one of which is correct. Tom, who knows nothing about the subject, guesses each answer at random. Let (X) be the number of questions that Tom has actually guessed correctly. Find the mean and standard deviation of the (X)- distribution.

Answer & Explanation Solved by verified expert
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

Q1) Design a concrete mix by using ACI Method of Mix Design having 28-day characteristic mean strength...

Civil Engineering
Q

Paul Sabin organized Sabin Electronics 10 years ago to produce and sell several electronic devices on...

Accounting
Q

estion 3 Points 1 hich of the following best describes the scarlet letter embroidered O...

Biology
Q

For the following system, use the second equation to make a subx + 5y -...

Basic Math
Q

Write in simplified form and list all restrictions on the domain.f(y) = 7+ y/y+6 -...

Basic Math
Q

Location of vertical asymptotes Let f x the following limits and find the vertical asymptotes...

Calculus
Q

Use technology to find points and then graph the function y 2log 2 8 1...

Calculus
Q

The function f x is a quadratic function and the zeros of f x are...

Algebra
Q

Wescott Company has three divisions: A, B, and C. The company has a...

Accounting
Q

1. Bowl Bi contains 2 white chips, bowl B2 contains 2 red chips, bowl Ba...

Accounting
Q

What are Tax Practice Responsibilities ?

Accounting
Q

1) You have been approached by Lakeside Company to be their auditor. They have fired...

Accounting