A student is about to take an entrance test about a subject they know absolutely nothing about. The test has 20 multiple choice questions with 5 choices for each question. What is the probability the student scores below 8? 0.968 0.054 0.990 0.022

Q: The accompanying data represent health care expenditures per capita (per person) as a percentage of…

A: Given data: Year Health care per capita Health care as a percentage of GDP 2007 7627 5.5 2008…

Q: 5. Multiple choice Exam A student takes a 20-question exam, each question has 4 multiple choice and…

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Q: You roll a​ six-sided die. What is the probability of rolling a 6 or a number greater than 3? What…

A: We want to find the probability

Q: someone who prefers math is 0.2. How many students were both high school students and prefered math?…

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Q: Suppose that 60% of people have brown eyes and that 5% of people have red hair. We randomly select…

A: Given information: Let A be the event that  people have brown eyes. P(A)= 0.60B be the event that…

Q: What is the probability of choosing a penny from a jar of coins that contains 12 pennies, 19…

A: The objective of this question is to find the probability of choosing a penny from a jar of coins…

Q: You toss a coin 6 times. What is the probability of not having the coin land on heads exactly 4…

A: Given that  Number of times coin tossed (n ) = 6 Assuming it is a fair coin , chance of occurring…

Q: calculate the probability of exactly 3 successes in 4 tries. p=0.27 1-p= 0.73 n=4 k=3

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Q: A middle school has 250 students. Jenny surveys a random sample of 50 students and finds that 15 of…

A: Total number of students in school = 250 Sample taken of 50 students Number of students having maths…

Q: 3. In a signalized intersection, the probability of a vehicle making a left turn per time period is…

A: Let us denote X=the number of vehicles that takes left turn n=number of trials= 15 p=probability of…

Q: You forget to study for an exam and need to guess on all of the questions. The exam is three…

A: 3 questions ∴ n = 55 - choices of options∴ p(correct choice) = 15

Q: A census was conducted at a school. All of the students were asked how many cars their family owns.…

A: Note: As per Bartleby guideline for more than three question asked only first three is to be…

Q: You have a homework assignment that contains 12 questions. Your instructor will grade a set of 5…

A: Given: Total number of questions, n = 12            5 questions would be graded Part 1: The total…

Q: Refer to the table which summarizes the results of testing for a certain disease. A test subject is…

A: From given :   Positive test Negative test Total Has disease 144 17 161 Does not have disease…

Q: The probability of a grand piano selling for more than $69,400 is 0.3258. As these pianos sell…

A: 10) Given,The probability of a grand piano selling for more than $69,400 is,P(piano sells for more…

Q: Describe the sample space that you would use to calculate the probability of the months in a year.

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Q: Find the probability that exactly five green hats are drawn.

A: A bag contains three red hats, two green hats and one orange hat Eight hats will be drawn at random…

Q: 4. Five dice (6 sided & fair) are tossed on a table. Calculate the probability of getting 4 ones.…

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Q: There are 190 true and false questions. What is the probability of getting at least 110 questions…

A: Givensample size(n)=190p=12=0.5       (since each question has 2 choices i.e., true or false )Let…

Q: You need two pieces of string at least 48 cm long for your next craft project. You have one piece of…

A: The total length of the string is 139. The total number of possible values is 139. The number of…

Q: 5. Multiple choice Exam A student takes a 20-question exam, each question has 3 multiple choices and…

A: There are 20 multiple choice questions. That is, p = 1/3 Denote the random variable X as the number…

Q: There are 14 red marbles, 9 white, and 10 black marbles in a box. What is the probability of…

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