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X 6.1.36 Question Help a. The area under the normal curve with parameters...
just need help with these two questions please Find the specified probability. 17) Use the special...
just need help with these two questions please
Find the specified probability. 17) Use the special addition rule and the following probability distribution to determine P(6 < X 8) 5 6 8 9 10 11 P(X = x) 0.05 0.05 0.20 0.15 0.15 0.10 0.30 х 7 3) Solve the problem. 3) A southeastern college has an enrollment of 2951 female students. Records show that the mean height of these students is 64.7 inches and that the standard deviation is...
The area under the normal curve with parameters 64.5 and 1.8 that lies to the left...
The area under the normal curve with parameters 64.5 and 1.8 that lies to the left of 64 is 0.3991. Use this information to estimate the percent of female students who are shorter than 64 inches.
Answer A (i), (ii), (iii), B (i), (ii), (iii) Score: 0 of 1 pt 14 of...
Answer A (i), (ii), (iii), B (i), (ii), (iii)
Score: 0 of 1 pt 14 of 20 (20 complete) X 6.3.107 "S & st The table below shows a relative-frequency distribution for the heights of female students at a midwestern college. The heights are approximately normally distributed with mean 64.5 inches and standard deviation 1.9 inches. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. Use a...
The area under the standard normal curve that lies to the left of -1.8 is 0.0359....
The area under the standard normal curve that lies to the left of -1.8 is 0.0359. Without consulting a the table giving areas under the standard normal curve, determine the area under the standard normal curve that lies to the right of 1.8. answer: b) Which property of the standard normal curve allowed you to answer part a)? A. The standard normal curve extends indefinitely in both directions B. The standard normal curve is symmetric about 0 C. Almost all...
*6.2.54 Question Help According to a standard normal table, the area under the standard normal curve...
*6.2.54 Question Help According to a standard normal table, the area under the standard normal curve to the left of 0.39 is 0.6517. Without consulting a standard normal table or using technology, determine the area under the standard normal curve to the left of -0.39. The area to the left of z= -0.39 is (Type an integer or a decimal.)
Answer the following questions about the Standard Normal Curve: a.) Find the area under the Standard...
Answer the following questions about the Standard Normal Curve: a.) Find the area under the Standard Normal curve to the left of z = 1.24 (use 4 decimal places) b.) Find the area under the Standard Normal curve to the right of z = -2.13 (use 4 decimal places) c.) Find the z-value that has 87.7% of the total area under the Standard Normal curve lying to the left of it. d.) Find the z-value that has 20.9% of the total area...
Answer the following questions about the Standard Normal Curve: a.) Find the area under the Standard...
Answer the following questions about the Standard Normal Curve: a.) Find the area under the Standard Normal curve to the left of z = 1.24 (use 4 decimal places) b.) Find the area under the Standard Normal curve to the right of z = -2.13 (use 4 decimal places) c.) Find the z-value that has 87.7% of the total area under the Standard Normal curve lying to the left of it. d.) Find the z-value that has 20.9% of the...
Im having a hard time with this question please explain solution properly Problem 4 (10 marks)...
Im having a hard time with this question please explain
solution properly
Problem 4 (10 marks) The number of calls received per week by the clients services of a cell phone company over the last 40 weeks are given as follows: 63 74 42 65 51 54 36 56 68 57 62 64 76 67 79 61 81 77 59 38 84 68 71 71 86 69 75 91 55 48 82 83 54 79 62 68 58 41 a)...
Find the area to the left of x=22 under a normal distribution curve with μ=32 and...
Find the area to the left of x=22 under a normal distribution curve with μ=32 and σ=6. Round your answer to four decimal places.
To FOUR DECIMAL PLACES: Determine the area under the standard normal curve that lies to the...
To FOUR DECIMAL PLACES: Determine the area under the standard normal curve that lies to the left of Z = –1.31 to the right of Z = –2.47 between Z = –2.47 and Z = –1.31 between Z = 1.31 and Z = 2.47 Find the z-scores that separate the middle 84% of the standard normal distribution from the area in the tails. Find z0.18 a. Find the Z-score corresponding to the 72nd percentile. In other words, find the Z-score...
just need help with these two questions please
Find the specified probability. 17) Use the special addition rule and the following probability distribution to determine P(6 < X 8) 5 6 8 9 10 11 P(X = x) 0.05 0.05 0.20 0.15 0.15 0.10 0.30 х 7 3) Solve the problem. 3) A southeastern college has an enrollment of 2951 female students. Records show that the mean height of these students is 64.7 inches and that the standard deviation is...
Answer A (i), (ii), (iii), B (i), (ii), (iii)
Score: 0 of 1 pt 14 of 20 (20 complete) X 6.3.107 "S & st The table below shows a relative-frequency distribution for the heights of female students at a midwestern college. The heights are approximately normally distributed with mean 64.5 inches and standard deviation 1.9 inches. Click here to view page 1 of the standard normal table. Click here to view page 2 of the standard normal table. Use a...
*6.2.54 Question Help According to a standard normal table, the area under the standard normal curve to the left of 0.39 is 0.6517. Without consulting a standard normal table or using technology, determine the area under the standard normal curve to the left of -0.39. The area to the left of z= -0.39 is (Type an integer or a decimal.)
Im having a hard time with this question please explain
solution properly
Problem 4 (10 marks) The number of calls received per week by the clients services of a cell phone company over the last 40 weeks are given as follows: 63 74 42 65 51 54 36 56 68 57 62 64 76 67 79 61 81 77 59 38 84 68 71 71 86 69 75 91 55 48 82 83 54 79 62 68 58 41 a)...
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