What percentage of the area under the normal curve lies as given below? (a) to the right of u % (b) between u 20 and u + 20 (c) to the right of u + 30 (Use 2 decimal places.)

Find the z-score (to 2 decimal places) such that 8% of the normal curve lies to the right of the z-zone. Also draw a normal curve on your paper and illustrate the z score you found and the region represented.

Determine the area under the standard normal curve that lies to the right of (a) Z=-1.15, (b) Z=-1.69, (c) Z=0.45, and (d) Z=0.49. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) The area to the right of Z=-1.15 is 0.8749. (Round to four decimal places as needed.) (b) The area to the right of Z= -1.69 is (Round to four decimal places as needed.) Standard Normal Distribution Table (page 1) Area z -3.4 -3.3 -3.2 -3.1 -3.0 -29 -2.8 -2.7 -2.6 -2.5 -2.4 -2.3 -2.2 -2.1 -2.0 -1.9 -1.8 -1.7 -1.6 -1.5 -1.4 -1.3 -1.2 -1.1 -1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 -0.0 z 0.00 0.01 0.0003 0.0003 0.0005 0.0005 0.0007 0.0007 0.0006 0.0010 0.0009 0.0009 0.0013 0.0013 0.0019 0.0018 0.0026 0.0025 0.0035 0.0034 0.0047 0.0045 0.0062 0.0060 0.0082 0.0080 0.0107 0.0104 0.0139 0.0136 0.0179 0.0174 0.0228 0.0222 0.0287 0.0281 0.0359 0.0351 0.0446 0.0436 0.0548 0.0537 0.0668 0.0655 0.0808 0.0793 0.0968 0.0951…

Find z such that 56% of the standard normal curve lies between −z and z. (Round your answer to two decimal places.

What percentage of the area under the normal curve is between the following z-scores? Z1= -2.39 Z2= 1.03

Find the area under the standard normal distribution curve to the left of  =z−1.68 .

Determine the area under the standard normal curve that lies to the left of (a) Z= -0.42, (b) Z= -1.31, (c) Z= -1.74, and (d) Z= -1.22. Click the icon to view a table of areas under the normal curve. (a) The area to the left of Z= -0.42 is 0.3372. (Round to four decimal places as needed.) (b) The area to the left of Z= -1.31 is 0.0951. (Round to four decimal places as needed.) (c) The area to the left of Z= - 1.74 is 0.0409 . (Round to four decimal places as needed.) (d) The area to the left of Z= - 1.22 is (Round to four decimal places as needed.)

Determine the area under the standard normal curve that lies to the right of (a) z= - 1.61, (b) z= 1.28, (c) z = - 1.77, and (d) z = 1.12. (a) The area to the right of z = - 1.61 is: (Round to four decimal places as needed.)