![subject](/tpl/images/cats/mat.png)
Mathematics, 11.03.2020 02:57 wesfleridor
Consider a binomial distribution of 200 trials with expected value 80 and standard deviation of about 6.9. Use the criterion that it is unusual to have data values more than 2.5 standard deviations above the mean or 2.5 standard deviations below the mean to answer the following questions.(A) Would it be unusual to have more than 120 successes out of 200 trials? Explain. a. Yes. 120 is more than 2.5 standard deviations above the expected value. b. Yes. 120 is more than 2.5 standard deviations below the expected value. c. No. 120 is less than 2.5 standard deviations above the expected value. d. No. 120 is less than 2.5 standard deviations below the expected value.(B) Would it be unusual to have fewer than 40 successes out of 200 trials? Explain. a. Yes. 40 is more than 2.5 standard deviations above the expected value. b. Yes. 40 is more than 2.5 standard deviations below the expected value. c. No. 40 is less than 2.5 standard deviations above the expected value. d. No. 40 is less than 2.5 standard deviations below the expected value.(C) Would it be unusual to have from 70 to 90 successes out of 200 trials? Explain. a. No. 70 to 90 observations is within 2.5 standard deviations of the expected value. b. Yes. 70 to 90 observations is within 2.5 standard deviations of the expected value. c. No. 90 observations is more than 2.5 standard deviations above the expected value. d. Yes. 70 observations is more than 2.5 standard deviations below the expected value.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 20.06.2019 18:04
Which operation should be performed first according to the order of operations? 44 ⢠2 â [(5 + 20 ⢠3) â 12] + 16 á 2 5 + 20 20 ⢠3 16 á 2 44 ⢠2
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:20
Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
Which of the functions graphed below has a removable discontinuity?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.
Answers: 1
You know the right answer?
Consider a binomial distribution of 200 trials with expected value 80 and standard deviation of abou...
Questions
![question](/tpl/images/cats/health.png)
Health, 15.02.2021 14:10
![question](/tpl/images/cats/en.png)
English, 15.02.2021 14:10
![question](/tpl/images/cats/fr.png)
French, 15.02.2021 14:20
![question](/tpl/images/cats/himiya.png)
Chemistry, 15.02.2021 14:20
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 15.02.2021 14:20
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.02.2021 14:20
![question](/tpl/images/cats/mir.png)
World Languages, 15.02.2021 14:20
![question](/tpl/images/cats/en.png)
English, 15.02.2021 14:20
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 15.02.2021 14:20
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 15.02.2021 14:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
Health, 15.02.2021 14:20
![question](/tpl/images/cats/mat.png)
Mathematics, 15.02.2021 14:20
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.02.2021 14:20
![question](/tpl/images/cats/mat.png)
Mathematics, 15.02.2021 14:20
![question](/tpl/images/cats/en.png)
English, 15.02.2021 14:30