Give the probability in a decimal form( correct to two decimal places). Last semester, a certain professor gave 42 as out of 243 grades. If one of the professors students from last semester were swlected randomly, what is the probability that student recived an A?

Give the probability in a decimal form( correct to two decimal places). Last semester, a certain professor gave 42 as out of 243 grades. If one of the professors students from last semester were swlected randomly, what is the probability that student recived an A?

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

Related questions

Q: A shipment of twenty radios contains six defective radios. Two radios are randomly selected from the…

A: Given : probability of defective ,p = 6/20 = 0.3 total number of trail , n = 2

Q: A baseball player has a batting average of 0.225. What is the probability that he hits exactly 7…

A: Given that, A baseball player has a batting average of 0.225. Probability, p = 0.225 Sample size , n…

Q: quiz has 11 multiple choice questions with each having 3 choices. Suppose a student decides to…

Q: An opaque bag contains 13 yellow and 18 teal marbles. If two marbles are randomly chosen from the…

A: Answer: From the given data, Number of yellow marbles = 13 Number of teal marbles = 18 Total number…

Q: Let X be the number of minutes that it takes a random selected student to solve a mathematical…

A: We want to find mean and standard deviations

Q: Find the probability distribution for the number of Modern CD when 4 CDs are selected at random from…

Q: The number of eligible voters in Riverdale total to 1285, but only 402 are registered. What is the…

A: Probability is defined as the total number of favorable cases of an event divided by the total…

Q: Assume that the probability of a boy being born is the same as the probability of a girl being born.…

A: given data P(boy)=P(girl) = 0.5 n = 5 childrens P( atleast one boy) = ?

Q: The digits 5, 6, 7, 8, and 9 are randomly arranged to form a three-digit number. (Digits are not…

A: Given The digits 5, 6, 7, 8, and 9 are randomly arranged to form a three-digit number. (Digits are…

Q: A coin is tossed and a single 6-sided die is rolled. Find the probability of landing on the tail…

Q: When rolling a number cube 800 times what is the probability that a 2 or 5 would be rolled

A: Total Number of faces = 6 P(2) =1/6 P(5)= 1/6 Now, Probability of 2 or 5 is: P(2∪5)=P(2)+P(5)-P(2∩5)…

Q: An online quiz has 10 True or False questions. What is the probability that a student got exactly…

Q: Find the probability of choosing a letter other than the letter L from a bag that contains the…

Q: One card is selected at random from a standard deck of cards (52 cards in a deck). Determine the…

A: 1 card is drawn, what is the probability that, 1 card is 5 or 1 card is HEARTTotal number of ways of…

Q: There are 7 male students and 22 female students in a class. If you choose 2 students at random,…

A: We have given that 2 Number of Male students =7 Number of female students =22 Total possible cases =…

Q: Suppose you roll a red die where each face represents a number from 1 to 6. Determine the…

A: When a die is rolled n(S)=6 S={1,2,3,4,5,6}

Q: The probability that a student in Oakland will receive a B in Kathy Williamson's statistics class is…

A: Given that, The probability that a student in Oakland will receive a B in Kathy Williamson's…

Q: An unprepared student makes random guesses for the ten true/false questions on a quiz. Find the…

A: The probability that there is at least one correct answer is obtained below:From the given…

Q: In a bucket there are 5 purple, 15 gray and 25 green balls. If the ball is picked up randomly, find…

Q: Denise rolls a number cube that has sides labeled 1 to 6 and then flips a coin. What is the…

A: Ther are 3 odd numbers in 1 to 6 . {1,3,5 } So the probability of getting an odd number = 3/6= 1/2

Q: A bag contains 5 hot pink marbles, 4 cobalt marbles, 6 periwinkle marbles, and 9 magenta marbles. If…

A: H = Number of hot pink marbles = 5 C = Number of cobalt marbles = 4 P = Number of periwinkle marbles…

Q: Find the probability that a child flipping an old coin gets the second head on the 8th flip.

A: Here, x=8, k=2 and p=0.5. The general formula for the negative binomial distribution is,…

Q: Suppose a jar contains 12 red marbles and 35 blue marbles. If you reach in the jar and pull out 2…

Q: An opaque bag contains 16 yellow marbles and 22 teal marbles. If two marbles are randomly chosen…

A: Answer: From the given data, number of yellow marbles = 16 number of teal marbles = 22 Total number…

Q: You order 13 pizzas, five that are cheese and eight that are mushroom. They arenot labelled on their…

A: There are total 13 boxes. We can pick any 5 boxes from those 13 boxes in 13C5 ways. If we want…

Q: Three people are selected randomly from a group consisting of 5 parents and 9 children. Find the…

A: Ans# - Given three people are selected randomly from a group consisting of 5 parents and 9 children.…

Q: Now look at the variable DIFFERENCE in the data file “Fuel Efficiency.” If there is no difference…

A: Fill-Up No. Computer Driver Difference 1 41.5 36.5 5 2 50.7 44.2 6.5 3 36.6 37.2 -0.6…

Q: Suppose a jar contains 13 red marbles and 12 blue marbles. If you reach in the jar and pull out 2…

A: Given: Red marbles = 13 Blue marbles = 12 Thus the total number of marbles = 13+12 = 25

Q: The number of A's on the last quiz was 7 out of 20. If I randomly choose a quiz paper... a. What is…

A: For geometric distribution, there are four requirements need to be fulfilled. These requirements are…

Q: 27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 35…

A: Formula : Binomial distribution is given by

Q: Assume that male and female births are equally likely and that the birth of any child does not…

Q: find the probability that the educator is a female or an associate professor

A: We have given that an educators at a college were classified according to gender and academic rank.

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 11 seeds are…

Q: Assume that male and female births are equally likely and that the birth of any child does not…

A: Given that, Male and female births are equally likely and that the birth of any child does not…

Q: Out of a student group of 85 people, 39 people play basketball, 42 people play football and 25…

A: Introduction: Define the following events: B: Plays basketball; F: Plays football; T: Plays tennis;…

Q: Find the chance that the highest number rolled is a four when a single die is rolled 7 times.

Q: Determine the probability of drawing a red card and then the ace of spades from a regular deck of…

Q: A local high school only has two sports teams with a total of 297 students on sports teams: a…

A: Let us denote : A=base ball team B=basketball team Given that n(A)=106, n(B)=134, n(A and B)=57…

Q: Two cards are selected from a standard deck with replacement. Find the probability that they are…

A: Given that Total cards=52 Number of hearts cards=13 p=Number of hearts cards/Total cards…

Q: In a box there are 4 red, 4 blue and 3 white marbles. Two marbles are selected at random and the…

Question

Give the probability in a decimal form( correct to two decimal places).

Last semester, a certain professor gave 42 as out of 243 grades. If one of the professors students from last semester were swlected randomly, what is the probability that student recived an A?

Video Video

Expert Solution

Step 1

It is given that the total number of grades is 243.

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

If you are dealt 3 cards from a shuffled deck of 52 cards, find the probability of getting one queen and two kings. (Round to six decimal places as needed.)
A dish contains 2 yellow, 4 red, 5 purple, 2 green, and 3 orange candies. You grab a handful of 9 candies. What is the probability that you have at most one red candy? Enter your answer in decimal form and round to four decimal places if rounding is necessary.
A jar contains 7 poker chips: 4 blue, 2 red and 1 white. You randomly select two chips from the jar. What is the probability that your selection includes a blue chip? Report your answer to three decimal places.
In a survey of college students, 808 said that they have cheated on an exam and 1770 said that they have not. If one college student is selected at random, find the probability that the student has cheated on an exam.
A card is drawn from a pack of 52 cards. Find the probability of getting a jack of spade or a queen of diamond?
Find the probability that a child flipping an old coin gets the second head on the 6th flip.
If you are dealt 3 cards from a shuffled deck of 52 cards, find the probability that all 3 cards are queens. The probability is? (Round to six decimal places as needed.)
10% of people born as girl . Calculate the probability that in a batch of 150 students,more than 130 students born as boy
In Minnesota license plates consist of 3 letters (A-Z) followed by 3 digits (0-9). If a license plate is created at random, determine the probability it has the word CAT or DOG followed by a number which has no repeated digits.
Mario has a number cube with wife’s numbered 1 through 6. He rolls the number cube twice. He rolls an odd number, on the first roll. What is the probability that Mario will roll an even number on the second roll?
A bag contains 20 white marbles, 6 red marbles, 11 blue marbles, and 8 yellow marbles. If a marble is drawn at random from the bag, find the probability that it is a red, blue, or yellow marble. Round your answer to three decimal places
A bag contains 5 red marbles, 2 green, and 3 blue marbles. If 3 marbles are drawn what is the probability that all of the marbles are a different color? Round your answer to 4 decimal places as needed.