Thank you for Advance for quick response. Best, QUESTION 4A test has a mean score of 150 and a standard deviation of 12. Scores are normally distributed. What proportion of test takers scores between 133 and 164?OA 3012OB.OC..7977 OD..0422OE 8012.0437

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Description: Thank you for Advance for quick response. Best, QUESTION 4A test has a mean score of 150 and a standard deviation of 12. Scores are normally distributed. What proportion of test takers scores between 133 and 164?OA 3012OB.OC..7977 OD..0422OE 8012.043

Given that, μ=150 and σ=12 We have to find, P(133<X<164) P133<X<164=P133-15012<X-μσ<164-15012=P-1.417<z<1.167=Pz<1.167-Pz<-1.417=0.8784-0.0782=0.8002 Hence, 80.02 % of test takes scores between 133 and 164.

Answered: A test has a mean score of 150 and a…

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A test has a mean score of 150 and a standard deviation of 12. Soores are normaly distributed. What proportion of test takers scores between 133 and 1647 OA 3012 OB. 0437 OC. 7977 OD. 0422 OE B012

MATLAB: An Introduction with Applications

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Concept explainers

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.

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QUESTION 4
A test has a mean score of 150 and a standard deviation of 12. Scores are normally distributed. What proportion of test takers scores between 133 and 164?
OA 3012
OB.
OC.
.7977 OD.
.0422
OE 8012
.0437

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