for standard normal distribution curve:
the area between the two z values =area to the left of 0 -area to the left of -1.05
=0.5-0.1469 =0.3531
chapter six test Hosted by ALEKS Corp 1 2 3 4 5 6 7 89 10 Previous Next Question 2 of 10 (1 point) Find the area un...
Hosted by ALEKS Corp. Homework 5 Part 6 of 6 < Previous Previous 1 2 3 4 5 6 8 10 10 Next Next Question 7 of 14 (0.2 points) 6.4 Section Exercise 6c Use the normal approximation to the binomial to find the probability for -51, p = 0.7, and X 40. Round z-value calculations to 2 decimal places and final answer to 4 decimal places. The probability is
Hosted by ALEKS Corp. McGraw-Hill Education Campus Chapter 8 Previous Next Question 26 of 28 (4 points) View problem in a pop-up 8.4 Section Exercise 14 The Energy Information Administration reported that 51.7% of homes in the United States were heated by natural gas. A random sample of 212 homes found that 130 were heated by natural gas. Does the evidence support the claim, or has the percentage changed? Usea = 0.10 and the P -value method. Part 1 out...
Previous Next Question 4 of 19 (1 point) 6.1 Section Exercise 14 Find the area under the standard normal distribution curve to the left of z-0.79.Use Table E and enter the answer to 4 decimal places. The area to the left of the z value is O C 5 6 7 8 9 0 7
MATH Hosted by ALEKS Corp 8.3 Homework Previous 2 3 4 5 6 7 8 9 10 Next Question 2 of 10 (1 point) View problem in a pop-up 8.3 Section Exercise 19 (calc) Smart phone: Among 248 cell phone owners aged 18-24 surveyed, 104 said their phone was an Android phone. Chec S Guide Part 1 Find a point estimate for the proportion of cell phone owners aged 18-24 who have an Android phone. Round the answer to three...
eBook DE MATH Hosted by ALEKS Corp Section 10.3 Previous 1 2 3 6 6 7 INN > Next Question 5 of 7 (2 points) View problem in a pop- 10.3 Section Exercise 18 Data for per capita state debt and per capita state tax for nine randomly selected states are shown. The correlation coefficient isr -0.779. Compute the standard error of the estimate, if appropriate. Assume & -0.05. Question Check Answer Solve It Per capita debt x 1016 Per...
Hosted by ALEKS COTP HW 8.5 Next Previous 1 2 3 8.5 Section Exe Question 1 of 3 (1 point) View problem in a pop-up significance. Assume the variables are approximately normally distributed. 43 39 73 52 53 61 30 40 63 41 Source: Fast Food Explorer (www.fatcalories.com). Download Data Part 1 State the hypotheses and identify the claim with the correct hypothesis. H:02 E 100 not claim H,:o 100 claim This hypothesis test is a two-tailed t est. Part...
This Test: 7 pts p... 1 of 7 (0 complete) This Question: 1 pt Find the indicated area under the standard normal curve. To the left of z -2.43 and to the right of z 2.43 Click here to view page 1 of the standard normal table Click here to view page 2 of the standard normal table The total area to the left of z -2.43 and to the right of z 2.43 under the standard normal curve is(Round...
TOICUraw-AIll Edučation Campus Hosted by ALEKS Corp Chapter 8 Previous 21 22 23 24 25 26 27 28 Next Question 26 of 28 (4 points) View problem in a pop-up 8.4 Section Exercise 14 The Energy Information Administration reported that 51.7% of homes in the United States were heated by natural gas. A random sample of 212 homes found that 130 were heated by natural gas. Does the evidence support the claim, or has the percentage changed? Usea 0.10 and...
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...
Question 2 of 19 (1 point) 6.1 Section Exercise 10 calc) Find the area under the standard normal distribution curve between z = 0 and z = -2.91. Use a graphing calculator and round the answer to four decimal places. The area between the two z values is I