Take a guess: A student takes a multiple-choice test that has 12 questions. Each question has...
Take a guess: A student takes a multiple-choice test that has 12 questions. Each question has five choices. The student guesses randomly at each answer. Let X be the number of questions answered correctly.
(a) Find P(5
Homework Answers
Add Answer to:
Take a guess: A student takes a multiple-choice
test that has 12 questions. Each question has...
A student takes a multiple choice test that has 8 questions. Each question has five choices....
A student takes a multiple choice test that has 8 questions. Each question has five choices. The student guesses randomly at each answer. Let X be the number of questions answered correctly. a) P(3) = ? b) P(More than 2) =
A student takes a multiple-choice test that has 10 questions. Each question has two choices. The...
A student takes a multiple-choice test that has 10 questions. Each question has two choices. The student guesses randomly at each answer. Round the answers to three decimal places. 1. p(2) = 2. p(more than 3)=
Question 7 (4 points) A student takes a multiple choice test consisting of 5 questions where...
Question 7 (4 points) A student takes a multiple choice test consisting of 5 questions where there are 4 choices per question. Also, each question is worth 20 points. Suppose the student guesses on each question. Let X be the number of questions the student gets correct. The probability distribution for X is given below. Find the probability that the student gets at least a 60 on the test. Give your answer to four decimal places. x10 11 12 13...
A student takes a true-false test that has 14 questions and guesses randomly at each answer....
A student takes a true-false test that has 14 questions and guesses randomly at each answer. Let X be the number or questions answered correctly. Find P(6). A)0.1222 B)0.2095 C)0.0001 D)0.183
A student takes a multiple choice test consisting of 5 questions where there are 4 choices...
A student takes a multiple choice test consisting of 5 questions where there are 4 choices per question. Also, each question is worth 20 points. Suppose the student guesses on each question. Let X be the number of questions the student gets correct. The probability distribution for X is given below. Find the probability that the student gets at least a 60 on the test. Give your answer to four decimal places.
An exam consists of 64 independent multiple-choice questions. For each question, there are five choices, with...
An exam consists of 64 independent multiple-choice questions. For each question, there are five choices, with only one being correct. Suppose a student randomly guesses the correct answer to each question. (a) What are the mean and standard deviation of the number of successful guesses? (b) Use the normal approximation to find the probability that the student will correctly guess at most 10 correct answers.
a student takes a true false test that has 13 questions and guesses randomlyat each answer....
a student takes a true false test that has 13 questions and guesses randomlyat each answer. let x be the number of questions answered correctly. find (p fewer than 4
A student takes an exam containing 12 multiple choice questions. Each question has 5 choices. At...
A student takes an exam containing 12 multiple choice questions. Each question has 5 choices. At least 8 correct answers are required to pass. If the student guesses, what is the probability that he will pass? Round your answer to four decimal places.
5) A student takes a multiple choice test with 12 questions, Each question has 4 possible...
5) A student takes a multiple choice test with 12 questions, Each question has 4 possible answers only one of which is correct. .If this student guesses on all of the questions what is the probability he gets exactly three correct answers? A) 0.1974 C) 0.2323 B) 0.2825 D) 0.2581 E) 0.1105
Suppose a quiz has 12 multiple choice questions. Each question has 4 answer choices. If a...
Suppose a quiz has 12 multiple choice questions. Each question has 4 answer choices. If a student takes the quiz and randomly guesses on every question.... Find the probability the student gets between 1 and 6, exclusive, questions correct? Find the probability the student gets more than 8 questions correct?
Question 7 (4 points) A student takes a multiple choice test consisting of 5 questions where there are 4 choices per question. Also, each question is worth 20 points. Suppose the student guesses on each question. Let X be the number of questions the student gets correct. The probability distribution for X is given below. Find the probability that the student gets at least a 60 on the test. Give your answer to four decimal places. x10 11 12 13...
An exam consists of 64 independent multiple-choice questions. For each question, there are five choices, with only one being correct. Suppose a student randomly guesses the correct answer to each question. (a) What are the mean and standard deviation of the number of successful guesses? (b) Use the normal approximation to find the probability that the student will correctly guess at most 10 correct answers.
5) A student takes a multiple choice test with 12 questions, Each question has 4 possible answers only one of which is correct. .If this student guesses on all of the questions what is the probability he gets exactly three correct answers? A) 0.1974 C) 0.2323 B) 0.2825 D) 0.2581 E) 0.1105
Most questions answered within 3 hours.
-
Describe how to measure benefits, including specific examples of
clinical and financial benefits that can be...
asked 4 minutes ago -
Costs associated with the manufacture of miniature
high-sensitivity piezoresistive pressure transducers is $74,000 per
year. A...
asked 18 minutes ago -
Given the following information for Jane Cole complete schedule
D of 1040 through part III and...
asked 18 minutes ago -
Why doesn't a small piece of uranium go naturally into a chain
reaction?
A) A small...
asked 22 minutes ago -
Last year’s freshman class at Big State University totaled 5,324
students. Of those, 1,254 received a...
asked 31 minutes ago -
The transverse displacement of a stretched string from
equilibrium as a function of time and position...
asked 34 minutes ago -
Do a detailed SWOT analysis for a small Agribusiness company in
Brazil
asked 34 minutes ago -
Which two measures of excellence are often in
conflict/contradiction with each other (and therefore difficult to...
asked 34 minutes ago -
Which of the following factors does not
negatively impact operating cash flows?
Group of answer choices...
asked 36 minutes ago -
How
is the relative placement handled with the Interstate Compact
Placement of children?
asked 39 minutes ago -
Overall, the Miles Per Gallon for customers of MallState is
normally distributed around 34 MPG with...
asked 52 minutes ago -
Under Armour, a multinational sports apparel company plans entry
into a new geographical location, Vietnam, considered...
asked 53 minutes ago