1-if on an average 1 student of 10 do not submit this homework. find the mean...
1-if on an average 1 student of 10 do not submit this
homework. find the mean and the standard deviation of student
submitting the homework if there are 45 student in this
class.
2. with usual notation find p for binomial random
variables if n=6 and if 9 p (x=4)=p (x=2)
3- for a binomial distribution mean is 9 and variance is 14 .it is possible?
Homework Answers
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1-if on an average 1 student of 10 do not submit this
homework. find the mean...
Let x be the binomial random variable with n=10 and p = 9 a. Find P(x...
Let x be the binomial random variable with n=10 and p = 9 a. Find P(x = 8) and create a cumulative probability table for the distribution. b. Find P( x is less than or equal to 7) and P(x is greater than 7) c. Find the mean, u, the standard deviation, o, and the variance. d. Does the Empirical rule work on this distribution for data that is within one, two or three standard deviations of the mean? Explain....
please answer all questions Math 309 Homework June 9, 2019 Bring solutions of these five problems...
please answer all questions
Math 309 Homework June 9, 2019 Bring solutions of these five problems to the class on Tuesday. I will collect your solutions This homework is worth 5 points. 1. Let X be a normal random variable with mean 5. If P[X > 8] = 0.3, what is the standard deviation of X? 2. Draw the region and determine, (a) 0.41 (b) 0.18 (c) 0.22 3. A manufacturer knows that, on average, 3% of items manufactured will...
Due Mon 0vn MA 120 Basic Statistics Homework Assignment 2 PLEASE SHOW ALL WORK ON SEPARATE...
Due Mon 0vn MA 120 Basic Statistics Homework Assignment 2 PLEASE SHOW ALL WORK ON SEPARATE PAPER. Do your own work. Pollow instructions. Point values are in parentheses 1, suppo sex is binomial with n 25, p - 0.38. (5) (a) Calculate P(x12) (10) (b) Calculate P (9 x 11) c) For this binomial distribution, calculate the mean , variance and standard deviation (5) 2. On the SAT test, clyde klutz achieved a score of 387. The national mean for...
7. Using the following, construct a complete frequency distribution include the mean, Variance, Standard Deviation. Also...
7. Using the following, construct a complete frequency distribution include the mean, Variance, Standard Deviation. Also graph the Frequency Histogram, Polygon and Ogive. Indicate Modal Class, Median Class and describe the distribution (25 points) Frequency Class Limits 28 - 34 35 - 41 42 - 48 49 - 55 56 - 62 9. Find the weighted mean for three exams if the first one was worth 25% and the student received a 92, the second was worth 40% and the...
how do i do this ? 4. Find the mean and the standard deviation of the...
how do i do this ?
4. Find the mean and the standard deviation of the following frequency distribution table: Class Limits 24-29 30-35 36-41 42-47 Class Boundaries 23.5-29.5 29.5-35.5 35.5-41.5 41.5-47.5 Class Midpoint 26.5 32.5 38.5 44.5 Class Frequency 4 9 15 2 Cumulative F. 4 13 28 30 Mean: Standard Deviation: 5. Nurses monthly salaries have a bell shaped distribution with x = $6400 with S = $300. a. Find the 68% and 95% range b. Abby made...
Assume that x has a normal distribution with the specified mean and standard deviation. Find the...
Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four dec places.) # 39; 0 = 14 P(50 SXS 70) - Need Help? Read 13. 0-M1 points BBUnder Stat12 6.3.013 My Notes Ask You Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four de places.) - 115; 0 = 15 P(x 2 90)...
6. A couple of college students, frustrated with the current class registration process, decide to (...
6. A couple of college students, frustrated with the current class registration process, decide to ( point survey 500 random students on campus. They find that 84% are also dissatisfied. What is the standard deviation of this binomial distribution? ● 420.0 08.2 67.2 О 0.1 7. The probability of a child being born with light-colored eyes to two articular parents is 0.25. The parents intend to have 5 children. Find the variance of this binonial distribution. point) 00.9 01.0 О...
) 6. Let x be the binomial random variable with n = 10 and p =...
) 6. Let x be the binomial random variable with n = 10 and p = .9 (2) a. Find P(x = 8) (5) b. Create a cumulative probability table for the distribution. (2) c. Find P( x is less than or equal to 7) (2) d. Find P(x is greater than 7) e. Find the mean, μ. (1) f. Find the standard deviation, σ. (1) g. Find the variance. ...
16 of 1e This Question: 1 pt Find the mean, variance, and standard deviation of the...
16 of 1e This Question: 1 pt Find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p n80, p 0.6 The mean, p Round to the nearest tenth as needed) The variance. σ2.is®(Round to the nearest tenth as needed.) The standard deviation, σ, is[ (Round to the nearest tenth as needed.) Enter your answer in each of the answer boxes 2 3 4 5 6 tab
The number of school related extracurricular activities per student find the mean the variance and standard...
The
number of school related extracurricular activities per student
find the mean the variance and standard deviation of the
probability distribution do you do
This Question: 1 pt Use the probability distribution to complete parts (a) and (b) below. The number of school-related extracurricular activities per student Activities 0 1 2 3 4 5 6 7 Probability 0.059 0.123 0.162 0.178 0.212 0.129 0.084 0.053 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is...
Let x be the binomial random variable with n=10 and p = 9 a. Find P(x = 8) and create a cumulative probability table for the distribution. b. Find P( x is less than or equal to 7) and P(x is greater than 7) c. Find the mean, u, the standard deviation, o, and the variance. d. Does the Empirical rule work on this distribution for data that is within one, two or three standard deviations of the mean? Explain....
please answer all questions
Math 309 Homework June 9, 2019 Bring solutions of these five problems to the class on Tuesday. I will collect your solutions This homework is worth 5 points. 1. Let X be a normal random variable with mean 5. If P[X > 8] = 0.3, what is the standard deviation of X? 2. Draw the region and determine, (a) 0.41 (b) 0.18 (c) 0.22 3. A manufacturer knows that, on average, 3% of items manufactured will...
Due Mon 0vn MA 120 Basic Statistics Homework Assignment 2 PLEASE SHOW ALL WORK ON SEPARATE PAPER. Do your own work. Pollow instructions. Point values are in parentheses 1, suppo sex is binomial with n 25, p - 0.38. (5) (a) Calculate P(x12) (10) (b) Calculate P (9 x 11) c) For this binomial distribution, calculate the mean , variance and standard deviation (5) 2. On the SAT test, clyde klutz achieved a score of 387. The national mean for...
7. Using the following, construct a complete frequency distribution include the mean, Variance, Standard Deviation. Also graph the Frequency Histogram, Polygon and Ogive. Indicate Modal Class, Median Class and describe the distribution (25 points) Frequency Class Limits 28 - 34 35 - 41 42 - 48 49 - 55 56 - 62 9. Find the weighted mean for three exams if the first one was worth 25% and the student received a 92, the second was worth 40% and the...
how do i do this ?
4. Find the mean and the standard deviation of the following frequency distribution table: Class Limits 24-29 30-35 36-41 42-47 Class Boundaries 23.5-29.5 29.5-35.5 35.5-41.5 41.5-47.5 Class Midpoint 26.5 32.5 38.5 44.5 Class Frequency 4 9 15 2 Cumulative F. 4 13 28 30 Mean: Standard Deviation: 5. Nurses monthly salaries have a bell shaped distribution with x = $6400 with S = $300. a. Find the 68% and 95% range b. Abby made...
Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four dec places.) # 39; 0 = 14 P(50 SXS 70) - Need Help? Read 13. 0-M1 points BBUnder Stat12 6.3.013 My Notes Ask You Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four de places.) - 115; 0 = 15 P(x 2 90)...
6. A couple of college students, frustrated with the current class registration process, decide to ( point survey 500 random students on campus. They find that 84% are also dissatisfied. What is the standard deviation of this binomial distribution? ● 420.0 08.2 67.2 О 0.1 7. The probability of a child being born with light-colored eyes to two articular parents is 0.25. The parents intend to have 5 children. Find the variance of this binonial distribution. point) 00.9 01.0 О...
16 of 1e This Question: 1 pt Find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p n80, p 0.6 The mean, p Round to the nearest tenth as needed) The variance. σ2.is®(Round to the nearest tenth as needed.) The standard deviation, σ, is[ (Round to the nearest tenth as needed.) Enter your answer in each of the answer boxes 2 3 4 5 6 tab
The
number of school related extracurricular activities per student
find the mean the variance and standard deviation of the
probability distribution do you do
This Question: 1 pt Use the probability distribution to complete parts (a) and (b) below. The number of school-related extracurricular activities per student Activities 0 1 2 3 4 5 6 7 Probability 0.059 0.123 0.162 0.178 0.212 0.129 0.084 0.053 (a) Find the mean, variance, and standard deviation of the probability distribution. The mean is...
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