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Insert the mean and standard deviation

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Reference no: EM133151498

Question 1

If we know that the length of time it takes a college student to find a parking spot in the library parking lot follows a normal distribution with a mean of 3.5 minutes and a standard deviation of 1 minute. find the probability that a randomly selected college student will find a parking spot in the library parking lot in less than 3 minutes.

0.3551
0.3085
0.2674
0.1915

Question 2

If we know that the length of time it takes a college student to find a parking spot in the library parking lot follows a normal distribution with a mean of 3.5 minutes and a standard deviation of 1 minute, find the probability that a randomly selected college student will take between 2 and 4.5 minutes to find a parking spot in the library parking lot.

0.0919
0.2255
0.4938
0.7744

Question 3
The height of a continuous probability curve over a given point is
Equal to the mean
Equal to the standard deviation
Equal to zero
Equal to Z

Question 4
Approximately what percentage of normally distributed data values will fall within 2 standard deviation above or below the mean?
68%
95%
99.7%
variable

Question 5
Which is not a property of the standard normal distribution?

Its symmetrical about the mean
Its uniform
Its bell shaped
Its unimodal

Question 6

Given a normal distribution with μ = 4 and σ =2, what is the probability that

Question: Between what two X values (symmetrically distributed around the mean) are 95 % of the values?

Instructions
Please don't simply state the results.
1. Draw the normal curve
2. Insert the mean and standard deviation
3. Label the area of 95% under the curve
4. Use Z to solve the unknown X values ( lower X and Upper X)
Use the editor to format your answer

Question 7
MG 620 Problem 1.docx

Question
Given a normal distribution with μ = 4 and σ = 2, what is the probability that a) 5% of the values are less than what X values?
Instructions:
1. Draw the normal curve
2. Insert the mean and standard deviation
3. Label the area of 5% under the curve
4. Use Z formula to solve for the unknown X value

Reference no: EM133151498

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