10. a.) Find the z-value such that 80 percent of the area under the standard normal curve lies between -z and z. b). Find the z value if the normal curve area to the right of z is 0.6449. is from N(0,1) de in a cmall town at California is 0.2 everyday, what is the

10. a.) Find the z-value such that 80 percent of the area under the standard normal curve lies between -z and z. b). Find the z value if the normal curve area to the right of z is 0.6449. is from N(0,1) de in a cmall town at California is 0.2 everyday, what is the

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter4: Polynomial And Rational Functions

Section4.6: Rational Functions

Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.

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Suppose the lengths of human pregnancies are normally distributed with u= 266 days and a= 16 days. Complete parts (a) and (b) below. (a) The figure to the right represents the normal curve with u= 266 days and o= 16 days. The area to the left of X = 245 is 0.0947. Provide two interpretations of this area. Provide one interpretation of the area using the given values. Select the correct choice below and fill i the answer boxes to complete your choice. (Type integers or decimals.) O A. The proportion of human pregnancies that last less than 245 days is 0.0947 B. The proportion of human pregnancies that last more than days is 245 266 Provide a second interpretation of the area using the given values. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals.) A. The probability that a randomly selected human pregnancy lasts less than 245 days is 0.0947 B. The probability that a randomly selected human pregnancy lasts more than days is…
A. Directions: Find the area under the normal curve of the following z values, then sketch the curve. Write your answer inside the box. B. Directions: Find the value of z of the following, and then sketch the curve. Write your answer inside the box. 1. From the mean to z = 1.15. 1. Area to the left of the mean is 0.4750. 2. Between z, = -2.03 and z2 = 0.85. 2. Area to the left of z = 1.47 is 0.6841. 3. Area to the left of z = 2.05 is 0.0818. 3. Between z1 = 1.89 and z2 = 0.52. 4. Area to the right of z is 0.7673. 4. To the right of z = -0.63 5. Area to the left of z is 0.1685. 5. To the left of z = -1.46
Suppose the lengths of human pregnancies are normally distributed with μ = 266 days and o 16 days. Complete parts (a) and (b) below. = (a) The figure to the right represents the normal curve with μ = 266 days and o= 16 days. The area to the right of X = 300 is 0.0168. Provide two interpretations of this area. Provide one interpretation of the area using the given values. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals.) O A. The proportion of human pregnancies that last less than O B. The proportion of human pregnancies that last more than days is days is A X 266 300
Suppose the lengths of human pregnancies are normally distributed with u = 266 days and o = 16 days. Complete parts (a) and (b) below. (b) The figure to the right represents the normal curve with u = 266 days and o = 16 days. The area between x = 285 and x = 300 is 0.1007. Provide two interpretations of this area, Provide one interpretation of the area using the given values. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals. Use ascending order.) O A. The proportion of human pregnancies that last less than or more than days is O B. The proportion of human pregnancies that last between 266 285 300 and days is
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