Problem 2. (1 point) For a normal distribution, find the 2-score that cuts off the top...
(a) For a normal distribution, find the Z-score that cuts off the bottom 64.18% of all the z-scores. Round to 2 decimal places after the decimal point. answer: (b) For a normal distribution, find the Z-score that cuts off the top 58.89% of area. Round to 2 decimal places after the decimal point. answer:
12. Using a normal distribution and z score formula answer the following questions: a. Find the Z-score that cuts off the top 35% of the nornval curve b. Find the data value to the nearest whole number that cuts off the bottom 20% of the curve given that the mean is 75 and sample standard deviation is 5. c. Find the z scores that cut off the middle 50% of the normal curve.
12. Using a normal distribution and z score formula answer the following questions: a. Find the Z-score that cuts off the top 35% of the nornval curve b. Find the data value to the nearest whole number that cuts off the bottom 20% of the curve given that the mean is 75 and sample standard deviation is 5. c. Find the z scores that cut off the middle 50% of the normal curve. 13. This question is worth 4 points...
Find the indicated score. The graph depicts the standard normal distribution with mean and standard deviation 1 Click to view page 1o the table Click to view page of the The indicated z score is Round to two decimal places as needed Find the area of the shaded region. The graph to the right depicts I scores of adults and those scores we normally distributed with a mean of 100 and a standard deviation of 15 Click to view.age 1...
(1 point) Find the Z-score from the standard normal distribution that satisfies each of the following statements. Draw an appropriate diagram, shade the appropriate region that represents for each Z-scores. Round your answers to 2 decimal places. (a) The point z with 5.05 percent of the observations falling below it. ZE (b) The closest point z with 7.68 percent of the observations falling above it. z =
MW-Practice: Provien 2 Problem Value: 1 point(s). Problem Score: 75%. Attempts Remaining: Unlimited. Suppose a newspaper article states that the distribution of auto insurance premiums for residents of California is approximately normal with a mean of 1633. The article also states that 30% of California residents pay more than 1875. percentile) of the standard normal distribution? Round your 1. What is the Z score that corresponds to the top 30% (or the 70 answer to 4 decimal places. 524 2....
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12. Using a normal distribution and z score formula answer the following questions: a. Find the Z-score that cuts off the top 35% of the nornval curve b. Find the data value to the nearest whole number that cuts off the bottom 20% of the curve given that the mean is 75 and sample standard deviation is 5. c. Find the z scores that cut off the middle 50% of the normal curve. 13. This question is...
Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and standard deviation 1. Round your answer to two decimal places. Shaded area is 0.0901. O A. 1.45 OB. 1.26 O C. 1.39 OD. 1.34
1) Find the area under the standard normal curve to the right of z= -0.62. Round your answer to four decimal places. 2) Find the following probability for the standard normal distribution. Round your answer to four decimal places. P( z < - 1.85) = 3) Obtain the following probability for the standard normal distribution. P(z<-5.43)= 4) Use a table, calculator, or computer to find the specified area under a standard normal curve. Round your answers to 4 decimal places....
12-13 show work
12. Using a normal distribution and z score formula answer the following questions: a. Find the Z-score that cuts off the top 35% of the nornval curve b. Find the data value to the nearest whole number that cuts off the bottom 20% of the curve given that the mean is 75 and sample standard deviation is 5. c. Find the z scores that cut off the middle 50% of the normal curve. 13. This question is...