Given a sample with a mean of 175 and a standard deviation of 40, calculate the following probabilities using Excel. Notice this is not a standard normal distribution. Round your answer to three decimal places e.g. 0.132 Pr(X < 129.8)
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Given a sample with a
Pr(X < 129.8)
Given that
The mean of 175 and a standard deviation of 40
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- This assignment is worth 1 points. The extra point will be added to your overall course grade. For example: if you receive an 88% in the course you can receive up to 1 point giving you a new score of 89%. The following rubric will be used. 0.25 point for drawing the normal distribution curve with the mean value labeled on the curve and the appropriate area shaded. 0.25 point for determining the value of the standard deviation of the sample mean. 0.5 point for finding the correct probability. All work must be shown in order to receive any credit. Please upload your completed assignment here. The length of time taken on the SAT for a group of students is normally distributed with a mean of 2.5 hours and a standard deviation of 0.25 hours. A sample size of n = 60 is drawn randomly from the population. Find the probability that the sample mean is between two hours and three hours.Given a normal distribution with a mean of 50 and a standard deviation of 7 assign the values to the axis below for the mean and the 3 values above and below the meanA normal distribution has mean 55.955.9 and standard deviation 2.582.58. Find the data value corresponding to z equals negative 3.91z=−3.91. The data value is enter your response here. (Round to the nearest tenth as needed.)
