a webwork.wlu.ca Previous Problem Problem List Next Problem Assignment 3: Problem 18 (2 points) A boxplot for a set of 88 scores is given below. 5 B 7 e 9 1o 11 12 13 DATA How many scores are represented in the blue section of the boxplot? Answer: 22 Preview My Answers You have attempted this problem 1 time. Your overall recorded score is 0%. a webwork.wlu.ca Previous Problem Problem List Next Problem Final exam scores in a statistics course are normally distributed with a mean of 63 and a standard deviation of 13. Based on the above information and a Z-table, fill in the blanks in the table below. Precision and other notes: (1) Percentiles should be recorded in percentage form to three decimal places. Z score should be recorded to two decimal places. Exam scores should be recorded as whole numbers. (2) Note that this problem does not use the rough values of the 68-95-997 rule (that is, the empirical rule); instead you must use Z-table values for percentiles. Exam score Z-score Percentile 71 .71 76 1 97.72 Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times. You have 3 attempts remaining. 7:57 .1 5G 32 webwork.wlu.ca > webwork / st230_f22 / assignment_3 / 9 Previous Problem Problem List Next Problem Assignment 3: Problem 9 (2 points) Use the Normal approximation to the binomial distribution to estimate the probability of getting atleast 51 girls in 100 births. Assume that boys and girls are equally likely. Please record your answer to atleast 3 decimal places. 0.421 Preview My Answers Submit Answers You have attempted this problem 2 times. Your overall recorded score is 0%. You have 2 attempts remaining. Page generated at 10/21/2022 at 07:57pm EDT WeBWork @ 1996-2021| theme: math4 | ww_version: 2.16 | pg_version 2.16| The WeBWork Project + 64