Using Z table, determine the area under the standard normal curve. Draw the curve a. between z = 0 and z = 1.50 b. between z = -2.10 and z = 0 c. between z = 0.60 and z = 1.80
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- Suppose the lengths of human pregnancies are normally distributed with =266 days and o-16 days. Complete parts (a) and (b) below (a) The figure to the right represents the normal curve with u=266 days and e-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) OA. The proportion of human pregnancies that last more than OB. The proportion of human pregnancies that last less than days is days is Select the correct choice below and fill in the answer boxes to complete your choice days is Provide a second interpretation of the area using the given values (Type integers or decimals) OA. The probability that a randomly selected human pregnancy lasts less than OB. The probability that a randomly selected human pregnancy lasts more than A 4 days isPractice/Exercises: Find the area under the normal curve in each of the following cases: 1. Between z = 0 and z = 1.63 2. Between z = 1.56 and z = 2.51 3. Between z = -2.46 and z = 1.55 4. To the right of z = 2.35 5. To the left of z = 0.35Find the area under the standard normal curve that lies between z=-2.31 and z=-2.13 . The area between z=-2.31 and z=-2.13 is ?
- Determine the area under the standard normal curve that lies between (a) Z= - 1.49 and Z= 1.49, (b) Z = - 2.42 and Z = 0, and (c) Z= - 0.37 and Z = 1.74. Click the icon to view a table of areas under the normal curve. Tables of Areas under the Normal Curve .... (a) The area that lies between Z= - 1.49 and Z= 1.49 is (Round to four decimal places as needed.) (b) The area that lies between Z = - 2.42 and Z = 0 is TABLE V (Round to four decimal places as needed.) Standard Normal Distribution .00 .01 .02 .03 .04 .05 .06 .07 .08 .09 (c) The area that lies between Z= - 0.37 and Z= 1.74 is Area 0.0003 0.0003 0.0003 0.0003 0.0002 -3.4 -3.3 0.0003 0.0003 0.0003 0.0003 0.0003 (Round to four decimal places as needed.) 0.0005 0.0007 0.0005 0.0006 0,0009 0,0013 0.0005 0.0004 0.0004 0.0004 0.0004 0.0004 0.0004 0.0003 0.0006 0.0008 0.0005 0.0007 0,0010 -3.2 0.0007 0.000 0.0006 0.0006 0.000 0.0005 -3.1 0.0010 0.0009 0.0009 0.0008 0.0008 0.0008 0.0007 -3.0 0.0013 0.0013 0.0012 0.0012 0.0011 0.0011…Use the table for area under the standard normal curve to find the area under the standard normal curve and above the interval [0.3,2.3] on the horizontal axis. Click the icon to view the area under the standard normal curve table. The area under the standard normal curve and above the interval [0.3,2.3] on the horizontal axis is (Type an integer or a decimal.)Find the areas for the following z values. Use standard normal table. Provide your answers to four decimal places (4 dp.) (a) Area to the left of z= -0.25 - (b) Area to the right of z =1.23 - (c) Area to the right of z=-2.97 - (d) Area to the left of z=0.00 - (e) Area to the left of z=2.33 - ii) Using your calculator in STAT MODE, find the mean and standard deviation of the following sample for the variable age (Round to 3 dp). 18 18 20 20 23 25 29 35 Mean : Standard Deviation :
