4. From the standard Normal Distribution table at the back of your table, determine the following...

4. From the standard Normal Distribution table at the back of your table, determine the
following
(a) The probability that z is greater than 1.72?
(b)The area under the normal curve between z = 0.09 and z = 1.79?
(c) The area under the normal curve between z = –1.2 and z = –2.2?
(d) The area under the normal curve between z = 0.0 and z = 2.0?
(e) Probability Z ≥ 0

Expert Solution

orchestra answered 2 years ago

Determine the following for a standard normal distribution: A. What percent of the area under the...

Determine the following for a standard normal distribution: A. What percent of the area under the curve is within 1 standard deviation of the mean? That is, find P(-1 less than or equal to Z less than or equal to1) B. What percent of the area are under the curve is within 2 standard deviations of the mean? That is, find P(-2 less than or equal to Z less than or equal to 2). C. What percent of the area...

Using the standard normal (z) distribution table, what is the area under the standard normal curve...

Using the standard normal (z) distribution table, what is the area under the standard normal curve between 1.67 and 2.72? a. 0.0442 b. 0.9525 c. 0.2563 d. 0.6140

for a standardized normal distribution, calculate the probabilities below. (standard normal disturbution table of the area...

for a standardized normal distribution, calculate the probabilities below. (standard normal disturbution table of the area need to be used) a) P(0.00 < z <_ 2.36) b) P(-1.50 < z <_ 1.50 ) c) P( 1.68 < z < 2.27 )

Describe the point estimate, normal probability distribution, and standard normal probability distribution in details, in 4 paragraphs.

Empolyee age 1 25 2 32 3 26 4 40 5 50 6 54 7 22 8 23 age Mean 34 Standard Error 4.444097209 Median 29 Mode #N/A Standard Deviation 12.56980509 Sample Variance 158 Kurtosis -1.152221485 Skewness 0.767648041 Range 32 Minimum 22 Maximum 54 Sum 272 Count 8 Confidence Level(95.0%) 10.50862004 Describe the point estimate, normal probability distribution, and standard normal probability distribution in details, in 4 paragraphs.

Using the z table (The Standard Normal Distribution Table), find the critical value (or values) for...

Using the z table (The Standard Normal Distribution Table), find the critical value (or values) for the two-tailed test with a=0.05 . Round to two decimal places, and enter the answers separated by a comma if needed.

For a population with a normal distribution with mean 23.5 and a standard deviation 2.6, determine...

For a population with a normal distribution with mean 23.5 and a standard deviation 2.6, determine the following. (a) About 68% of the population lies between what limits? (b) About 95% of the population lies between what limits? (c) About 99.7% of the population lies between what limits

4- In general, when we have a normal distribution, we change it to the standard normal...

4- In general, when we have a normal distribution, we change it to the standard normal distribution. What is the reason for that?

Use the accompanying table of standard scores and their percentiles under the normal distribution to find...

Use the accompanying table of standard scores and their percentiles under the normal distribution to find the approximate standard score of the following data values. Then state the approximate number of standard deviations that the value lies above or below the mean. a. A data value in the 80th percentile b. A data value in the 60th percentile c. A data value in the 92nd percentile a. The standard score for the 80th percentile is approximately nothing. (Round to two...

(1 point) Use Table A to find the proportion of the standard Normal distribution that satisfies...

(1 point) Use Table A to find the proportion of the standard Normal distribution that satisfies each of the following statements. (a)z<0.15 (b)z>0.15 (c)z>−2.82 (d)−2.82<z<0.15

4. Given an approximately normal distribution with a mean of 175 and a standard deviation of...

4. Given an approximately normal distribution with a mean of 175 and a standard deviation of 37, a) Draw a normal curve and label 1, 2, and 3 standard deviations on both sides on the mean. b) What percent of values are within the interval (138, 212)? c) What percent of values are within the interval (101, 249)? d) What percent of values are within the interval (64, 286)? e) What percent of values outside the interval (138, 212)? f)...

Question