Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 143 subjects with positive test results, there are 20 false positive results. Among 152 negative results, there are4 false negative results. Complete parts (a) through (c). (Hint: Construct a table.)....a. How many subjects were included in the study?The total number of subjects in the study wasb. How many subjects did not use marijuana?A total ofsubjects did not use marijuana.c. What is the probability that a randomly selected subject did not use marijuana?The probability that a randomly selected subject did not use marijuana is(Do not round until the final answer. Then round to three decimal places as needed.)

Answered: Image /qna-images/answer/3eee0d62-0d87-4db0-bece-8e9d6b559206.jpg

Answered: a. How many subjects were included in…

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

Probability distribution for x P(x) X 0.164 1 0.436 2 0.248 0.124 4 0.021 5 0.007 Print Done
A die is rolled 120 times to see if it is fair. The table below shows the frequencies for each of the six possible outcomes. Use a level of significance of cx = 0.05. a. Complete the rest of the table by filling in the expected frequencies (enter your answers in fraction form): Frequency of Dice Values Outcome Frequency Expected Frequency 1 2 3 4 5 24 15 26 19 24 6 12 b. What is the correct statistical test to use? Select an answer ✓ c. What are the null and alternative hypotheses? Ho: The die rolls are independent. The die rolls are dependent. The distribution of die rolls is not uniform. O The distribution of die rolls is uniform. H₂: O The distribution of die rolls is uniform. The die rolls are independent. The distribution of die rolls is not uniform. O The die rolls are dependent. d. The degrees of freedom = e. The test-statistic for this data = f. The p-value for this sample= (Please show your answer to three decimal places.) (Please show your answer to four decimal places.)
Solve for F
A six-sided number cube is rolled 350 times and the results are recorded as follows: 58 ones, 63 twos, 52 threes, 61 fours, 60 fives, and 56 sixes. What is the experimental probability of rolling a five? Round to the nearest whole percent if necessary. 93% O 17% 83% O 7%
Use the following results from a test for marijuana use. Among 153 subjects with positive test results, there are 23 false positive results. Among 129 negative test results, there are 3 false negative results. a. How many subjects are included in the study? b. How many of the subjects had a true negative result? c. What is the probability that a randomly selected test subject had a true negative result?
The Mars candy company states that 20% of all milk chocolate M&Ms are blue. In a sample of 80 M&Ms, what is the probability that more than 23% of them will be blue? Use the sampling distribution for a sample proportion and round to the nearest whole percentage. 25% 33% 75% 67%
The accompanying table describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Complete parts (a) through (d) below. Click the icon to view the table. a. Find the probability of getting exactly 1 girl in 8 births. (Type an integer or a decimal. Do not round.)
??
According to a recent poll about 33% of American adults are planning to dress up for Halloween this year. 250 American adults were asked "Are you planning to dress up for Halloween this year?. The number of surveyed people that responded “Yes” is recorded. The random variable X is ....what? The number of trials n is ....what? The probability of success is ...what %. The probability of failure is ...what %
Use the same data as shown again below. For a randomly selected respondent, what is the probability that a respondent answers No (to 3 decimals) Response Yes No Unsure 18-29 134 131 2 Age 30+ 293 432 8
In the experiment of tossing a coin 11 times. The probability of getting three heads at the most Select one: a. 0.080566 b. 0.113281 c. 0.125000 d. 0.005371 e. 0.000488 f. 0.500000 g. 0.026855
Family Entertainment Costs – The mean total costs for all forms of family entertainment (i.e. movies, toys, video games, plays, concerts, etc.) was $12,000 per year. Suppose that ? = $2000 and 36 families are randomly selected. Find the probability that the sample mean cost for these 36 families is a) Less than $11,000. b) More than $14,000. c) Between $11,000 and $14,000.

SEE MORE QUESTIONS

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

Probability and Statistics for Engineering and th…

Statistics

ISBN:

9781305251809

Author:

Jay L. Devore

Publisher:

Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…

Statistics

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

The Basic Practice of Statistics

Statistics

ISBN:

9781319042578

Author:

David S. Moore, William I. Notz, Michael A. Fligner

Publisher:

W. H. Freeman

Introduction to the Practice of Statistics

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS