For example μ = 10 and σ = 5
μ + 2σ = 10+2*(5) = 20
Z = (x - μ) / σ
x = 10
z = (10 - 10)/5 = 0
x = 20
z = (20-10)/5 = 2
P(0 < z < 2) = 0.4772 = 0.48 = 48%
Approximately 48% of the area under the normal curve is between μ and μ + 2σ.
Question 11 (1 point) Approximately ___% of the area under the normal curve is between M...
Question 12 (1 point) What is the area under the standard normal curve between z = -1.3 and z = 2.1? 81.9% 91.9% 88.5% 91.2% Previous Page Next Pada Page 12
Question 3 1 pts Under the normal curve, approximately what percent of scores fall between and -1 to +1 standard deviations around the mean? 14% O 34% 68% 0 95% Question 7 1 pts If a distribution has a mean of 50 and a standard deviation of 5, what value would be -1 standard deviations from the mean? O O O O
Approximately ___% of the area under the normal curve is between 1 standard deviation above and below the mean.
Find the indicated area under the standard normal curve. Between z 0 and z = 0.18 5 Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table.6 The area between z 0 and z = 0.1 8 under the standard normal curve is (Round to four decimal places as needed.) L
Question 1 Find the area under the standard normal curve that lies outside the interval between z=-3 and 2 = -2.5. 0.9951 0.5062 0 0.0049 0.4938
(1 point) a) Fact the region under the standard normal curve that lies to the left of -1.92 has area 0.0274289. Without consulting a table or a calculator giving areas under the standard normal curve, determine the area under the standard normal curve that lies to the right of 1.92 answer. b) Which property of the standard normal curve allowed you to answer part a)? A. The standard normal curve extends indefinitely in both directions B. The total area under...
12 Find the percent of area under a normal curve between the mean and - 1.12 standard deviations from the mean. (Note that positive indicates above the mean, while negative indicates below the mean.) Click here to see page 1 of the table for areas under the standard normal curve Click here to see page 2 of the table for areas under the standard normal curve. %. The percentage of area under a normal curve between the mean and -1.12...
Question 11 Not yet answered Points out of 4.00 P Flag question Find the area under the standard normal curve over the interval specified below Between z-1 and 2 Select one: O a. 0.021 o b. 0.976 C. 0.341 o d. 0.136 O e. 0.819 Previous page O Type here to search PrtScn FS
Previous Next Question 4 of 19 (1 point) 6.1 Section Exercise 14 Find the area under the standard normal distribution curve to the left of z-0.79.Use Table E and enter the answer to 4 decimal places. The area to the left of the z value is O C 5 6 7 8 9 0 7
chapter six test Hosted by ALEKS Corp 1 2 3 4 5 6 7 89 10 Previous Next Question 2 of 10 (1 point) Find the area under the standard normal distribution curve between z -0 and z--1.05. Use Table E and enter the answer to 4 decimal places. The area between the two z values is chapter six test Hosted by ALEKS Corp 1 2 3 4 5 6 7 89 10 Previous Next Question 2 of 10 (1...