5 Answered Questions for the topic Normal Probability Distributions

Normal Probability Distributions Statistics Probability Probability Distribution

08/01/18

Please help me to answer these questions for cumulative distribution of the random variable X

The cumulative distribution of the random variable X is given by G(x) = 0                    for x<0            3x2-2x3          for 0≤x<1            1                   for x ≥1 a)Find the... more
Normal Probability Distributions

10/05/17

How many different Standard Normal distributions are there?

 There is no additional information.
Normal Probability Distributions

10/05/17

What proportion of women are underweight?

a study suggested that women between ages 20 and 29 in the US have a mean BMI of 26.8 and standard deviation of 7.4(lets assume these BMIs are normally distributed)   a BMI less than 18.5 is... more
Normal Probability Distributions

10/05/17

What proportion of women in this age range are overweight according to this definition?

a study suggested that women between ages 20 and 29 in the US have a mean BMI of 26.8 and standard deviation of 7.4 (lets assume these BMIs are normally distributed)   a BMI of 30 or greater is... more
Normal Probability Distributions

10/05/17

Who had the superior score, Sam or Dave?

SAT critical reading scores are normally distributed w/ a mean of 510 and standard deviation of 155 ACT reading scores are normally distributed w/ a mean of 20.5 ad standard deviation of 5   Sam... more

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