Use the Normal Tables to find the area under the standard normal curve that fits each...
Use the Normal Tables to find the area under the standard normal curve that fits each description.
- P (z < 2.16)
- P (z > 1.15)
- P (z ≤-1.92)
- P (1.30 <z< 2.65)
- 60% of all thingamabob and doohickeys. Suppose we randomly select 20 thingamabobs. What is the probability that exactly 12 are doohickeys?
- As before 60% of all thingamabobs are doohickeys. Suppose we randomly select 20 thingamabobs. The mean number of doohickeys would be 12 with a standard deviation of 2.19. Use the appropriate normal approximation to find the probability that between 8 and 14 of the thingamabobs are doohickeys.
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Use the Normal Tables to find the area
under the standard normal curve that fits each...
Sketch the area under the standard normal curve over the indicated interval and find the specified...
Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Round your answer to four decimal places.) The area to the left of z = −1.40 is . The area to the left of z = 0.42 is . The area to the right of z = 1.58 is . The area to the right of z = −1.16 is . The area between z = 0 and z = −1.85 is ....
In Exercises 1-8, find the indicated area under the standard normal curve. If convenient, use technology...
In Exercises 1-8, find the indicated area under the standard normal curve. If convenient, use technology to find the area 1. To the right of z-3.2:2 2. To the left of z--2.825 3. To the right ofz-0.015 4. Between 1.64 and z-0 5. Between 6. Between z=0.05 and z=1 .71 7. Between z=-2.68 and z=2.68 8. To the left of z--1.5 and to the right of z-1.5 1.55 and z-1 In Exercises 9-15, find the indicated probability using the standard...
Use tables to find the area under a Normal Curve! Question 3 3 pts For a...
Use tables to find the area
under a Normal Curve!
Question 3 3 pts For a standard normal distribution, find the value of zo that satisfies P(z> Zo)- .1038. 1.26 0.26 0.26 0.27
a) Sketch the area under the standard normal curve over the indicated interval and find the...
a) Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Round your answer to four decimal places.) The area to the right of z = 1.51 is ____ b) The Customer Service Center in a large New York department store has determined that the amount of time spent with a customer about a complaint is normally distributed, with a mean of 9.5 minutes and a standard deviation of 2.1 minutes. What is...
Find the area under the standard normal curve to the left of z = –2.82 and...
Find the area under the standard normal curve to the left of z = –2.82 and to the right of z = -0.9. Round your answer to four decimal places, if necessary. Answer 2 Points Tables Keypac If you would like to look up the value in a table, select the table you want to view, then either click the cell at the intersection of the row and column or use the arrow keys to find the appropriate cell in...
Find the area under the standard normal distribution curve to the right of z = 1.57
Find the area under the standard normal distribution curve to the right of z = 1.57. Use Table E and enter the answer to 4 decimal places. The area to the right of the z value is _______ Find the area under the standard normal distribution curve between z = 0 and z = 2.65. Use Table E and enter the answer to 4 decimal places. The area between the two z values is _______ Find the area under the standard normal distribution curve...
1) Find the area under the standard normal curve to the right of z= -0.62. Round...
1) Find the area under the standard normal curve to the right of z= -0.62. Round your answer to four decimal places. 2) Find the following probability for the standard normal distribution. Round your answer to four decimal places. P( z < - 1.85) = 3) Obtain the following probability for the standard normal distribution. P(z<-5.43)= 4) Use a table, calculator, or computer to find the specified area under a standard normal curve. Round your answers to 4 decimal places....
Using the TI-84 calculator, find the area under the standard normal curve that lies between the...
Using the TI-84 calculator, find the area under the standard normal curve that lies between the following Z-values. Round the answers to four decimal places. (a) Find the area under the standard normal curve that lies between z=-0.29 and z = 2.26. (b) Find the area under the standard normal curve that lies between 3 = -1.92 and 2 = -1.17. (c) Find the area under the standard normal curve that lies between z = 0.91 and 2 = 1.58....
Sketch the area under the standard normal curve over theindicated interval and find the specified...
Sketch the area under the standard normal curve over the
indicated interval and find the specified area. (Round your answer
to four decimal places.)The area betweenz = 1.39and z = 2.27 is .Let z be a random variable with a standard normal
distribution. Find the indicated probability. (Round your answer to
four decimal places.)P(z ≤ −2.05)= Let z be a random variable with a standard normal
distribution. Find the indicated probability. (Round your answer to
four decimal places.)P(z ≥ −1.54)=...
In Exercises 1-8, find the indicated area under the standard normal curve. If convenient, use technology to find the area 1. To the right of z-3.2:2 2. To the left of z--2.825 3. To the right ofz-0.015 4. Between 1.64 and z-0 5. Between 6. Between z=0.05 and z=1 .71 7. Between z=-2.68 and z=2.68 8. To the left of z--1.5 and to the right of z-1.5 1.55 and z-1 In Exercises 9-15, find the indicated probability using the standard...
Use tables to find the area
under a Normal Curve!
Question 3 3 pts For a standard normal distribution, find the value of zo that satisfies P(z> Zo)- .1038. 1.26 0.26 0.26 0.27
Find the area under the standard normal curve to the left of z = –2.82 and to the right of z = -0.9. Round your answer to four decimal places, if necessary. Answer 2 Points Tables Keypac If you would like to look up the value in a table, select the table you want to view, then either click the cell at the intersection of the row and column or use the arrow keys to find the appropriate cell in...
Using the TI-84 calculator, find the area under the standard normal curve that lies between the following Z-values. Round the answers to four decimal places. (a) Find the area under the standard normal curve that lies between z=-0.29 and z = 2.26. (b) Find the area under the standard normal curve that lies between 3 = -1.92 and 2 = -1.17. (c) Find the area under the standard normal curve that lies between z = 0.91 and 2 = 1.58....
Sketch the area under the standard normal curve over the
indicated interval and find the specified area. (Round your answer
to four decimal places.)The area betweenz = 1.39and z = 2.27 is .Let z be a random variable with a standard normal
distribution. Find the indicated probability. (Round your answer to
four decimal places.)P(z ≤ −2.05)= Let z be a random variable with a standard normal
distribution. Find the indicated probability. (Round your answer to
four decimal places.)P(z ≥ −1.54)=...
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