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3. A random variable x is normallydistributed with a mean of 117 and a standard deviation of 14.
P(X ≥ 145 )?
Provide your answer as a percentage to two decimal places.
4. The SAT Math scores from 2019 are normally distributed with amean of 528 and a standard deviation of 117. What is theprobability of randomly selecting a test score that is a) less than 495
5. The SAT scores from 2019 are normally distributed with a meanof 1059 and a standard deviation of 210. What is percentage ofscores are
6.
If the mean of a normal distribution is 45 and the standarddeviation is 4.3, how many standard deviations away from the meanis the value 36.8? Write your z-score as a negative or positivenumber with two decimal places.
1 point A random variable x is normally distributed with a mean of 117 and a standard deviation of 14. P(X≥145)? Provide your answer as a percentage to two decimal places. 3 points The 5AT Math scores from 2019 are normally distributed with a mean of 528 and a standard deviation of 117 . What is the probability of randomly selecting a test score that is a) less than 495 b) between 515 and 690 c) greater than 670 Provide probabilities rounded to the third decimal place or percentage rounded to the first decimal place. Source: The College Board 3 points The 5AT scores from 2019 are normally distributed with a mean of 1059 and a standard deviation of 210 . What is percentage of scores are a) greater than 1200 b) between 1000 and 1100 c) less than 800 Express all answers as percentage to two decimal places. Source: The College Board 1 point If the mean of a normal distribution is 45 and the standard deviation is 4.3, how many standard deviations away from the mean is the value 36.8 ? Write your z-score as a negative or positive number with two decimal places.