Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random varlable (a) The number of light bulbs that burn out in the next week in a room with 17 bulbs. b) The weight of a T-bone steak. a) Is the number of light bulbs that burn out in the next week in a room with 17 bulbs discrete or continuous? O A. The random variable is continuous. The possible values are x=0, 1, 2,.., 17. O B. The random variable is discrete. The possible values are x=0, 1, 2,.., 17. OC. The random variable is discrete. The possible values are 0sxs17. O D. The random variable is continuous. The possible values are 0sxs17.

Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random varlable (a) The number of light bulbs that burn out in the next week in a room with 17 bulbs. b) The weight of a T-bone steak. a) Is the number of light bulbs that burn out in the next week in a room with 17 bulbs discrete or continuous? O A. The random variable is continuous. The possible values are x=0, 1, 2,.., 17. O B. The random variable is discrete. The possible values are x=0, 1, 2,.., 17. OC. The random variable is discrete. The possible values are 0sxs17. O D. The random variable is continuous. The possible values are 0sxs17.

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

A B C Total Male 12 18 5 35 Female 16 8 19 43 Total 28 26 24 78 If one student is chosen at random,Find the probability that the student was female: Find the probability that the student was male AND got a "C": Find the probability that the student was male OR got an "C": If one student is chosen at random, find the probability that the student was male GIVEN they got a 'B':
Decide whether the random variable x is discrete or continuous. x represents the length of time it takes to get to work. ... Is the random variable x discrete or continuous? Choose the correct answer below. O Continuous O Discrete
Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant D B D Order Accurate 329 276 239 120 Order Not Accurate 36 60 30 13 If three different orders are selected, find the probability that they are all from restaurant B. The probability is| (Round to four decimal places as needed.) Enter your answer in the answer box. MacBook Air esc 吕口 F3 F2 F4
Let X denote that number of years I will use my current computer, and Y the number of years that I will use my tablet. The joint distribution of X and Y is as shown below: What is the probability that I will use the tablet for exactly one year? a b Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. с 0.082 e 0.160 0.210 d 0.344 Y 0.400 1 2 3 X 1 2 3 0.05 0.16 0.19 0.10 0.13 0.12 0.07 0.10 0.08
Bill Alther is a zoologist who studies Anna's hummingbird (Calypte anna).t Suppose that in a remote part of the Grand Canyon, a random sample of six of these birds was caught, weighed, and released. The weights (in grams) were as follows. 3.7 2.9 3.8 4.2 4.8 3.1 The sample mean is x = 3.75 grams. Let x be a random variable representing weights of hummingbirds in this part of the Grand Canyon. We assume that x has a normal distribution and a- 0.90 gram. Suppose it is known that for the population of all Anna's hummingbirds, the mean weight is u= 4.70 grams. Do the data indicate that the mean weight of these birds in this part of the Grand Canyon is less than 4.70 grams? Use a- 0.05. (a) What is the level of significance? State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-tailed test? Ho: H 4.7 g; right-tailed Ho: H= 4.7 g; H: < 4.7 g; left-tailed Ho: H- 4.7 g; H: 4.7 g; two-tailed (b) What sampling distribution will you use? Explain the rationale…
Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant с D Order Accurate 234 144 Order Not Accurate 38 19 If one order is selected, find the probability of getting an order that is not accurate. A 340 36 B 280 53 The probability of getting an order that is not accurate is
Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant A B C D Order Accurate 324 275 234 136 Order Not Accurate 36 52 34 12 If one order is selected, find the probability of getting an order that is not accurate. The probability of getting an order that is not accurate is nothing
Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable. (a) The number of people with blood type A in a random sample of 14 people. (b) The time it takes to fly from City A to City B. (a) is the number of people with blood type A in a random sample of 14 people discrete or continuous? OA. The random variable is continuous. The possible values are 0≤x≤ 14. B. The random variable is discrete. The possible values are x = 0, 1, 2,..., 14. OC. The random variable is discrete. The possible values are 0 ≤x≤ 14. O D. The random variable is continuous. The possible values are x = 0, 1, 2,..., 14. (b) is the time it takes to fly from City A to City B discrete or continuous? .RE OA. The random variable is continuous. The possible values are t> 0. OB. The random variable is discrete. The possible values are t= 1, 2, 3, ... OC. The random variable is discrete. The possible values are t > 0. OD. The random variable is…
Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant D A B D 245 260 54 Order Accurate 321 127 Order Not Accurate 37 36 14 If three different orders are selected, find the probability that they are all from restaurant C. The probability is. (Round to four decimal places as needed.)
a b c total male 4 10 2 16 female 5 18 3 26 total 9 28 5 42 If one student is chosen at random,Find the probability that the student got an A: Find the probability that the student was male AND got a "A": Find the probability that the student was male OR got an "A": If one student is chosen at random, find the probability that the student got a 'B' GIVEN they are female
Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant с 250 39 A B 317 269 60 D 146 12 Order Accurate Order Not Accurate 38 If one order is selected, find the probability of getting an order from restaurant B or D or an order that is not accurate. The probability of getting an order from restaurant B or D or an order that is not accurate is (Round to three decimal places as needed.)
Bill Alther is a zoologist who studies Anna's hummingbird (Calypte anna).t Suppose that in a remote part of the Grand Canyon, a random sample of six of these birds was caught, weighed, and released. The weights (in grams) were as follows. 3.7 2.9 3.8 4.2 4.8 3.1 The sample mean is x = 3.75 grams. Let x be a random variable representing weights of hummingbirds in this part of the Grand Canyon. We assume that x has a normal distribution and o = 0.96 gram. Suppose it is known that for the population of all Anna's hummingbirds, the mean weight is µ = 4.80 grams. Do the data indicate that the mean weight of these birds in this part of the Grand Canyon is less than 4.80 grams? Use a = 0.10. (a) What is the level of significance? State the null and alternate hypotheses. Will you use a left-tailed, right- tailed, or two-tailed test? O Ho: H 4.8 g; right-tailed O Ho: H = 4.8 g; H1: µ < 4.8 g; left-tailed (b) What sampling distribution will you use? Explain the rationale for your choice of…