pt 1 Details For a normal variable X ~N(= 73.4,σ = 15.48), find x0.73, the value that divides the area under the density curve into 0.27 to the left and 0.73 to the right. 0.73= (Round the answer to 2 decimal places)
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- Find the mean hourly cost when the cell phone described above is used for 240 minutes.A driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the time read exactly 3:40 p.m. At this time, he started pumping gas into the tank. At exactly 3:44, the tank was full and he noticed that he had pumped 10.7 gallons. What is the average rate of flow of the gasoline into the gas tank?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 is
- (a) The figure to the right represents the normal curve with u 266 days and 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 comect choice below and fill in the answer boxes to complete your choice. (Type integers or decimals.) ⒸA. The proportion of human pregnancies that last less than OB. The proportion of human pregnancies that last more than days is days is 4. 245 246 CFind the area under the normal curve to the left of z= -1.56 plus the area under the normal curve to the right of z= 2.56. The combined area is?Español Use this table or the ALEKS calculator to complete the following. Give your answers to four decimal places (for example, 0.1234). (a) Find the area under the standard normal curve to the right of z= -0.45. 0 (b) Find the area under the standard normal curve between z= -2.68 and z= - 1.19. 0 X & E ▷ 81-
- Find the area under the normal curve between z= -2.23 and z= -1.22. Express your answer as a decimal. Round to 4 decimal places after the decimal point. Answer:(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 and days is X 266 285 300 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. Use ascending order.) O A. The probability that a randomly selected human pregnancy lasts between and days is O B. The probability that a randomly selected human pregnancy lasts less than or more than days isFind the area of the indicated region under the standard normal curve. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. -1.3 11 The area between z = - 1.3 and z 1.1 under the standard normal curve is es (Round to four decimal places as needed.)
- uppose the lengths of human pregnancies are normally distributed with μ=266 days and σ=16 days. Complete parts (a) and (b) below. (a) The figure to the right represents the normal curve with μ=266 days and σ=16 days. The area to the left of X=235 is 0.0263. 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.) A. The proportion of human pregnancies that last more than nothing days is nothing. B. The proportion of human pregnancies that last less than days is X 266 235 A normal curve has a horizontal axis labeled "X" and two horizontal coordinates, 235 and 266. The curve's peak is near the top of the graph at horizontal coordinate 266. Two vertical line segments run from the horizontal axis to the curve at 235 and 266. The area under the curve to…Find the area under the normal curve between z= -2.10 and z= -0.45.Express your answer as a decimal. Round to 4 decimal places after the decimal point. Answer:Español Use this table or the ALEKS calculator to complete the following. Give your answers to four decimal places (for example, 0.1234). (a) Find the area under the standard normal curve to the right of z = 2.67. 0 (b) Find the area under the standard normal curve between z = 0.52 and z=2.46. 0 X S ? & 13 A DH D
