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Calculate the standard deviation ? of X for the probability distribution. (Round your answer to two decimal places.) x | 0 | 1 | 2 | 3 P(X = x) | 0.3 | 0.4 | 0.1 | 0.2 ? = WANEFMAC7 9.4.010. Calculate the standard deviation ? of X for the probability distribution. (Round your answer to two decimal places.) ? = x | 1 | 2 | 3 | 4 P(X = x) | 0.1 | 0.4 | 0.3 | 0.2 WANEFMAC7 9.4.014. Calculate the standard deviation ? of X for the probability distribution. (Round your answer to two decimal places.) ? = x | -20 | -10 | 0 | 10 | 20 | 30 P(X = x) | 0.1 | 0.1 | 0.4 | 0.1 | 0 | 0.3

          Calculate the standard deviation ? of X for the probability distribution. (Round your answer to two decimal places.)

x | 0 | 1 | 2 | 3
P(X = x) | 0.3 | 0.4 | 0.1 | 0.2

? = 

WANEFMAC7 9.4.010.
Calculate the standard deviation ? of X for the probability distribution. (Round your answer to two decimal places.)
? = 

x | 1 | 2 | 3 | 4
P(X = x) | 0.1 | 0.4 | 0.3 | 0.2

WANEFMAC7 9.4.014.
Calculate the standard deviation ? of X for the probability distribution. (Round your answer to two decimal places.)
? = 

x | -20 | -10 | 0 | 10 | 20 | 30
P(X = x) | 0.1 | 0.1 | 0.4 | 0.1 | 0 | 0.3

Show more…

Calculate the standard deviation ? of X for the probability distribution. (Round your answer to two decimal places.)

x | 0 | 1 | 2 | 3
P(X = x) | 0.3 | 0.4 | 0.1 | 0.2

? =

WANEFMAC7 9.4.010.
Calculate the standard deviation ? of X for the probability distribution. (Round your answer to two decimal places.)
? =

x | 1 | 2 | 3 | 4
P(X = x) | 0.1 | 0.4 | 0.3 | 0.2

WANEFMAC7 9.4.014.
Calculate the standard deviation ? of X for the probability distribution. (Round your answer to two decimal places.)
? =

x | -20 | -10 | 0 | 10 | 20 | 30
P(X = x) | 0.1 | 0.1 | 0.4 | 0.1 | 0 | 0.3

Added by Nichole B.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Manisha Sarker

02/22/2022

Step 1

3) + (1 * 0.4) + (2 * 0.1) + (3 * 0.2) = 1.4 - Calculate the expected value of X squared: (0^2 * 0.3) + (1^2 * 0.4) + (2^2 * 0.1) + (3^2 * 0.2) = 2.2 - Calculate the variance: 2.2 - (1.4)^2 = 1.16 - Calculate the standard deviation: √1.16 ≈ 1.08 Show more…

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Calculate the standard deviation σ of X for the probability distribution. (Round your answer to two decimal places.) x: 0, 1, 2, 3 P(X = x): 0.3, 0.4, 0.1, 0.2 Calculate the standard deviation σ of X for the probability distribution. (Round your answer to two decimal places.) x: 1, 2, 3, 4 P(X = x): 0.1, 0.4, 0.3, 0.2 Calculate the standard deviation σ of X for the probability distribution. (Round your answer to two decimal places.) x: -20, -10, 0, 10, 20, 30 P(X = x): 0.1, 0.1, 0.4, 0.1, 0, 0.3

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