15) Assume that z scores are normally distributed with a mean of 0 and a standard...
The volumes of soda in quart soda bottles are normally distributed with a mean of 32.3 oz and a standard deviation of 1.2 oz. What percentage of bottles contain less than 32 oz of soda?
Scores on a test are normally distributed with a mean of 63.2 and a standard deviation of 11 7 Find P81 , which separates the bottom 81% from the top 19%, Round to two decimal places. O A. 66.60 O B. 0.29 ОС. 088 O D. 73.47 Scores on a test are normally distributed with a mean of 63.2 and a standard deviation of 11 7 Find P81 , which separates the bottom 81% from the top 19%, Round to...
Scores on a test are normally distributed with a mean of 65 and a standard deviation of 10. Find the score to the nearest whole number which separates the bottom 81% from the top 19%. A. 88 B. 68 C. 56 D 74
Suppose that replacement times for washing machines are normally distributed with a mean of 9.3 years and a standard deviation of 1.1 years. Find the replacement time that separates the top 3% from the bottom 97% . Round your answer to 3 decimal places.
Scores on a test are normally distributed with a mean of 63 2 and a standard deviation of 117 Find P81, which separates the bottom 81% from the top 19% Round to two decimal places A 73.47 OB. 029 OC. 6660 OD. 0.88 Click to select your answer
Scores on a test are normally distributed with a mean of 63.2 and a standard deviation of 11.7. Find P81, which separates the bottom 81% from the top 19%. Round to two decimal places. A. 0.88 B. 73.47 C. 66.60 D. 0.29
The volumes of soda in quart-sized soda bottles are normally distributed with a mean of 32.3 ounces anda standard deviation of 1.2 ounces. What is the probability that the volume of soda in a randomly selected bottle will be more than 31 ounces?
Assume that z scores are normally distributed with a mean of O and a standard deviation of 1. If Pl-a<z<a) = 0.4314, find a. 1.49 0.57 -0.18 0.3328 Question 5 O out of 2 points A coin is tossed 20 times. A person, who claims to have extrasensory perception, is asked to predict the outcome of each flip in advance. She predicts correctly on 16 tosses. What is the probability X of being correct 16 or more times by guessing?...
Assume that adults have IQ scores that are normally distributed with a mean of 100.5 and a standard deviation 16. Find the first quartile Q1, which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.) The first quartile is _______
Suppose that replacement times for washing machines are normally distributed with a mean of 11 years and a standard deviation of 19 years Find the replacement time that separates the top 18 from the botom 82% Round to the neareste Click to view.nage the love of the O A 12 years OB 127 years O C. 113 years OD 9 years