MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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For the given
x | p(x) |
0 | 0.03 |
1 | 0.34 |
2 | 0.27 |
3 | ?? |
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- Nonearrow_forwardFind the mean of the following probability distribution? P(x) 0.1605 1 0.2848 2 0.0206 3 0.2536 4 0.2805 Use the round-off rule for measures of center and variation, mean = which is one place more than the x-values.arrow_forwardFind the mean of the following probability distribution. xx P(x)P(x) 0 0.1536 1 0.2644 2 0.1896 3 0.2421 4 0.1502 mean = xx P(x)P(x) 0 0.25 1 0.15 2 0.3 3 0.3 Find the mean of this probability distribution. Round your answer to one decimal place.arrow_forward
- Find the mean of the following probability distribution? Round your answer to one decimal. x| P(x) 0 0.1514 1 0.1841 2 0.2509 3 0.2208 4 0.1928 mean =arrow_forwardA study compared the drug use of 288 randomly selected high school seniors exposed to a drug education program (DARE) and 335 randomly selected high school seniors who were not exposed to such a program. Data for marijuana use are given in the accompanying table. sample size number who use marijuana exposed to DARE 288 141 not exposed to DARE 335 181 At the 5% significance level, is there convincing evidence that the proportion using marijuana is lower for students exposed to the DARE program?Round these answers to two places after the decimal:Test-statistic = (to two places after the decimal)P-value = (to four places after the decimal)There sufficient evidence to conclude that the proportion of students using marijuana is lower for students exposed to the DARE program.arrow_forwardConsider the following probability distribution. Find the probability that x=2 x 0 1 2 3 4 5 p(x). 0.12 .25 ? .18 .14 .11arrow_forward
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