Mrs. Burke's biology class has 83 students, classified by academic year and major, as illustrated in the table. Mrs. Burke randomly chooses one student to collectyesterday's work.Mrs. Burke's Biology ClassAcademic Year Biology Majors Non-Biology MajorsFreshmenSophomoresJuniorsSeniors910129914119Step 1 of 2: What is the probability that she selects a non-biology major, given that she chooses randomly from only the juniors? Enter a fraction or round youranswer to 4 decimal places, if necessary.

Required probability is P(non-biology major|Juniors)

Answered: Mrs. Burke's biology class has 83…

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...

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Similar questions

Ms. Burke's biology class has 115 students, classified by academic year and major, as illustrated in the table. Ms. Burke randomly chooses one student to collect yesterday's work. Academic Year Biology Majors Non-Biology Majors Freshman 9 16 Sophomore 18 18 Junior 13 9 Senior 16 16 What is the probability that she selects a biology major, given that she chooses randomly from only the freshman?
A bag of M&M has 6 red, 7 blue, and 2 yellow M&M's. What is the probability of randomly picking: (Round to 4 decimal places) a. A yellow? b. A blue or green? c. An orange?
There are 25 marbles in an urn: 12 are green and 13 are yellow. You reach into the urn and randomly select 4 marbles without replacement. What is the probability that at least one of the marbles is green? A. 0.0565 B. 0.9269 C. 0.2713 D. 0.1200 E. 0.9435
A child has 11 pennies, 12 nickels, 18 dimes, and 16 quarters in his piggy bank. If the child shakes the piggy bank and one coin falls out, what is the probability that the coin is: You may answer as a fraction or a decimals rounded to three places. a. a nickel? b. a quarter or a penny? c. a fifty-cent piece?
5B. John packs four t shirts for a trip to the beach. If he owns nine t shirts, four of which are black, and he randomly picks which four to pack, what is the probability that he packs the four black ones?
Observe the question below and the two possible solutions. State which solution is correct and give a reason for your choice. For a group of 300 cars the numbers, classified by colour and country of manufacture, are shown in the table. Black Silver WhiteKorea 33 34 35Japan 23 9 24America 16 25 34Germany 19 16 32 One car is selected at random from this group. Find the probability that the selected car is a black or white car manufactured in Korea. Solution 1 P (BUW) = P (B) + P (W) = 33/300 + 35/300 = 68/300 Solution 2 P (BUW) = P (B) + P (W) = 33/102 + 35/102 = 68/102
Charles has six songs on a playlist. Each song is by a different artist. The artists are Joey McIntyre, Whitney Houston, Aaron Carter, Shakira, Shania Twain, and Phil Collins. He programs his player to play the songs in a random order, without repetition. What is the probability that the first song is by Aaron Carter and the second song is by Joey McIntyre? Write your answer as a fraction or a decimal, rounded to four decimal places. The probability that the first song is by Aaron Carter and the second song is by Joey McIntyre is .
A committee consists of 30 males and 13 females. If 3 persons are selected at random, what is the probability that 1 will be male and 2 will be female? A. 0.0705 O B. 0.221O O C. 0.1896 O D. 0.3333
Yahtzee is a game played with 5 dice. Players attempt to score points by rolling various combinations. When all dice show the same number, it’s called Yahtzee and scores 50 points for the first one and 100 points for each successive Yahtzee in the game. a. What is the probability that a person throws a Yahtzee on the very first roll? b. What is the probability that a person throws two Yahtzees on two consecutive rolls?
Male Female Total Orange 30 65 95 Green 12 25 37 Total 42 90 132 A group of 132 students at an elementary school were asked if they prefer the color orange to the color green. The results are shown in the table above. Given that a randomly selected survey participant is a male, what is the probability that this student prefers the color green? (Enter your answer in fraction form.)
In a class of students, the following data table summarizes how many students have a cat or a dog. What is the probability that a student chosen randomly from the class has a cat and a dog? Has a dog Does not have a dog Has a cat 5 2 Does not have a cat 6 11

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