Randomly select one student. What is the probability that he or she is a senior, given that he or she walks to school? A)40/250B)40/88C)40/250D)88/550E)88/250 time: 15-20 minutesquestion.GradeJunior Senior TotalCar146146 292Bus 10664170Walk 484088Total 300250550

The given contingency table is,The probability that he or she is a senior given that he or she walks to school is, The options (A), (C) and (D) are incorrect because the probability that he or she is a senior given that he or she walks to school is, 40/88 Therefore, the correct answer is option (B): 40/88.

Answered: Randomly select one student. What is…

Math

Statistics

Randomly select one student. What is the probability that he or she is a senior, given that he or she walks to school? A)40/250 B)40/88 C)40/250 D)88/550 E)88/250

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Richard purchases a bag of gummy worms that contains 6 red worms, 4 yellow worms, and 2 green worms. What is the probability that he will select something other than a yellow worm? A)1/9 B)5/9 C)1/3 D)2/3
TF.2
please show work on a piece of paper
Question 1 options: A quiz consists of 30 true or false questions. If the student guesses on each question, what is the mean number of correct answers? What is the standard deviation of the number of correct scores? (Hint: This can be a binomial experiement. Think about what the probability of success would be.) The mean number of correct answers is . The standard deviation, rounded to two decimal places, of the number of correct scores is
Please answer the question with details on how to do it. Thank you. 4. A single ball is drawn at random from a box containing 12 orange balls, 10 black balls, and 8 blue balls. a.) Determine the probability that it is blue. b.) Three balls are drawn successively. Find the probability that they are drawn in the order orange, black, and blue if the ball is not replaced.
According to a survey of American households, the probability that the residents own 2 cars if annual household income is over $25,000 is 80%. Of the households surveyed, 60% had incomes over $25,000 and 70% had 2 cars. The probability that the residents of a household do not own 2 cars and have an income over $25,000 a year is: a) 0.12 b) 0.18 c) 0.22 d) 0.48
A store purchases baseball hats from two different manufacturers in 3 different colors, summarized below. One hat is chosen at random. Give your answer as a decimal out to at least 4 places. Black Blue Red Total Manufacturer A 13 29 15 57 Manufacturer B 19 16 14 49 Total 32 45 29 106 a) Find the probability that the hat was was Red or was from Manufacturer B. b) Find P(RedC). c) Find P(Manufacturer B and Red). d) Find P(Manufacturer B or Red).
I. A card/s is/are taken from a deck of 52 cards that has been thoroughly shuffled. Find the probability of: A. "4' of hearts B. a king or a red card C. a non-face card D. an ace and a queen E. neither a spade nor a jack
The probability of visiting the zoo is 0.80. The probability of visiting the caverns is 0.55. The probability of visiting both is 0.42. What is the probability of the visiting the zoo or the caverns? 1) 0.93 2) 0.44 3) 1.35 4) 0
A college surveys the 1258 alumni from 2019 and 2020. Of the 679 alumni from 2019, 127 went on to graduate school. Of the 579 alumni from 2020, 196 went on to graduate school. Find the probability that an alumnus selected at random from 2019 and 2020 is as described. a) a 2019 alumnus? b) a 2020 alumnus? c) a 2019 alumnus who did not attend graduate school?
Cami plays softball. The table to the right shows the frequency of the number of hits she has per game. a) For a randomly selected game, what is the probability that she gets exactly 2 hits? b) What is the probability that she gets at most two hits c) What is the probability that she gets at least one hit? a) How is the probability that she gets exactly 2 hits found? O A. Subtract the probability of two hits from 1. ⒸB. Find the sum of the probabilities of no hits, one hit, and two hits. O C. Find the sum of the probabilities of three hits and four hits. O D. Divide the frequency of two hits by the total. The probability that she gets exactly two hits is (Simplify your answer.) b) What formula should be used to find the probability that she gets at most two hits? O A. P(at most two hits) = 1 - (P(three hits) + P(four hits)) O B. P(at most two hits) = P(no hits) + P(one hit) O C. P(at most two hits) = 1 - P(two hits) O D. P(at most two hits) = P(three hits) + P(four hits) The…
You roll a six-sided die. A.) What is the probability of getting a number greater than 2? B.) What is the probability of getting a number less than 7?