Need help please in this Homework
Homework: Week 1 1 Score: 0 of 1 pt 4 2 of 18 (0 complete) v D Hw Score: 0%, 0 of 18 pts 1 6.4.54 Question Help V a' A golfer's scores in a golf tournament are shown in the table. What was the golfer's manna\" average score per hole? Percentage 0f holes The golfer's average score per hole was '1. (Type an integer or decimal rounded to two decimal places as needed.) Homework: Week 11 Score: 0 of 1 pt 4 3 of 18 (o complete)v II] Hw Score: 0%, 0 of 18 pts 1 6.4.55 Question Help V In- At a high school, the student body is divided by age as follows: 10% of the students are 14, 20% of the students are 15, 19% of the students are 16, 22% of the students are 17, 23% of the students are 18, and the rest of the students are 19. Find the average age of the students at the high school. The average age of the students is D years. (Type an integer or decimal rounded to two decimal places as needed.) Homework: Week 11 Save Score: 0 of 1 pt 5 of 18 (0 complete) D HW Score: 0%, 0 of 18 pts 16.4.58 Question Help 3 A basketball player shoots two consecutive free throws. Each free throw is worth 1 point and has probability of success p = 16 Let X denote the number of points scored. Find the expected value of X. The expected number of points is (Simplify your answer.)Homework: Week 1 1 Score: 0 of 1 pt 4 6 of 18 (0 complete) 7 IE] HW Score: 0%, 0 of 18 pts 16.5.61 Question Help Y Q Suppose you roll a pair of honest dice. If you roll a total of 7, you win $4; if you roll a total of 11, you win $12; if you roll any other total, you lose $2. Find the expected payoff for this game. The expected payoff for this game is $|:|. (Round to the nearest cent as needed.) Homework: Week 11 Score: 0 of 1 pt 4 9 of 18 (0 complete) v II] HW Score: 0%, 0 of 18 pts 17.2.9 Question Help V a Estimate the value of the standard deviation 5 of a normal distribution with p. = 82.2 in and 03 = 94.4 in. o m D in (Round to the nearest tenth of an inch as needed.) Homework: Week 1 1 Score: 0 of 1 pt 4 12 of18 (2 complete)v ) HW Score: 11.11%, 2 of 18 pts 17217 Question Help V a A normal distribution has mean u = 310 points and third quartile 03 = 418 points. Find the zvalue of each of the following. (a) x = 550 points (b) x = - 90 points (0) x = - 130 points (d) x = 534 points (a) The z-value is H. Homework: Week 11 Save Score: 0 of 1 pt 16 of 18 (2 complete) D HW Score: 11.11%, 2 of 18 pts 17.2.31 Question Help Consider the normal distribution represented by the normal curve in the figure to the right. (Assume the two labeled values are equidistant from the mean.) Complete parts (a) and (b) below. 95% of the data 89.4 cm 98.6 cmHomework: Week 11 Score: 0 M1 pt { 17 of 18 (2 complete) V E HW Score: 11.11 %, 2 of 18 pts 17.3.41 Question Help V a 4000 students take a college entrance exam. The scores on the exam have an approximately normal distribution with mean p = 52 points and standard deviation 5 = 12 points. Use the 68-95-99] rule to complete the following. (a) Estimate the average score on the exam. (b) Estimate the percentage of students scoring 52 points or less. (c) Estimate the percentage of students scoring between 40 and 64 points. (d) Estimate the percentage of students scoring 64 points or more
