Suppose a binomial trial has a probability of success of 0.1, and 500 trials are performed. What is the standard deviation of the possible outcomes? Round your answer to two decimal places. A. 8.94 B. 10.95 C. 6.71 D. 10.25
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- Find the variance of the binomial distribution for which n=800 and p=0.93. Round the answer to the nearest hundredth. OA. 52.08 O B. 32.54 OC. 7.22 D. 744.00Data from a state indicate that scores on the SAT test are normally distributed with a mean of 994 and a standard deviation of 204. Scores on the ACT test are normally distributed with a mean of 20 and a standard deviation of 5.1. It is assumed that the two tests measure the same aptitude, but use different scales.If a student gets an SAT score that is the 77 percentile, find the actual SAT score. Round answer to a whole number. SAT score = What would be the equivalent ACT score for this student? Round answer to 1 decimal place. ACT score = If a student gets an SAT score of 1280, find the equivalent ACT score. Round answer to 1 decimal place. ACT score =Assume that a randomly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P, the 11th percentile. This is the bone density score separating the bottom 11% from the top 89%. Which graph represents P ? Choose the correct graph below. O A. O B. OD. P11 P11 P11 P11 The bone density score corresponding to P1 is (Round to two decimal places as needed.) Click to select your answer(s). APR tv MacBook Air F9 F10 LLA 20 F3 F6 F8 F4 F5 F1 F2 & #3 7 8. %24
- 28 The scores on a mathematics exam have a mean of 66 and a standard deviation of 6. Find the x-value that corresponds to the z-score −2.33. Round the answer to the nearest tenth. A. 63.7 B. 80.0 C. 52.0 D. 60.0Find the range and standard deviation of the set of data. 3 7,8, 10, 12, 14 e The range is 11 (Simplify your answer.) The standard deviation is (Round the final answer to the nearest hundredth as needed. Round all intermediate values to the nearest hundredth as needed.)Use the population data set to answer each question. Round to the nearest hundreth. (Two decimal places) {15, 18, 19, 20, 22, 24, 24, 25, 26} Мean %D Median %D Mode Variance %3D Standard Deviation = Range : Midrange =
- ++ C. 0 52 a. The mean is b. The standard deviation is 2 58 Use the Empirical Rule to answer the following questions. Dn Test Scores 70 76 % of the test scores are between 58 and 70. % of the test scores are between 52 and 76. % of the test scores are between 46 and 82. % of the test scores are between 64 and 70. % of the test scores are less than 64. % of the test scores are less than 70. 82 QUPVOTE WILL BE GIVEN! WRITE THE SOLUTIONS LEGIBLY. YOU MAY USE EXCEL. The average score of one of your Math exams was 75 with a standard deviation of 20. Assuming the scores are normally stributed if your corresponding z-score was 1.5. What precentage of the students got a score less than 50? a. 6.68% b. 89.44% c. 10.56% d. 22.66%Countries ne parallel histograms below display the heights of Which of the following statements is not true? en in each of two countries. The IQR for the distribution of men's heights is Men's Heights by Country larger for country B. The range for the distribution of men's heights is larger in country B. Men's heights in country A are more variable than men's heights in country B. The standard deviation for the distribution of men's heights is smaller in country A. 50 55 60 65 70 75 80 85 90 Height in Inches Mark this and return Save and Exit Next Submit