Jamie needs to choose 3 people for her group project. There are 15 people in the class to choose from. How ma ny different combinations of groups could she choose for his group project? {f33375 {Pt} 9 10' {Ft} 455 {\"g2730 Question 7 (1 point) A class is electing a President and Vice President. How many different outcomes are possible assuming each position must be filled by a different person if there are 18 students in the class to choose from? {'- | 489 {Ft} 153 {Ft} 306 [in:3 324 Question 3 (1 point] You pull two cards out of a standard deck of 52 playing cards without replacement. What is the probability that both cards are Kings? If t) l ._. 221 Question 9 (1 point] You pull a card out of a standard deck of 52 playing cards. What is the probability that you will get a card that is both a jack and a king? A student's grade is a weighted calculation as follows: Homework is worth 20%, Midterm Exam is worth 30%, Discussion is worth 15%, and Final Exam is worth 35%. If Samantha has the following averages, compute his grade. Homework 95% Midterm Exam 65% Discussions 100% Final Exam 88% 84.3% 87% 87.3% 84%Question 11 (1 point) A family has 10 kids. Assume that the probability of having a girl is 0.5. What is the probability that at most 6 out of 10 kids are girls? Round to 4 decimal places. 0.2051 0.7949 0.8281 0.2051Question 12 (1 point) Wheeler Lake in North Alabama allows visitors to fish, and frequently holds professional fishing tournaments. Shown below are the percentages for the number of fish caught during last weekend's tournament. Calculate the expected value for the numbers of fish caught by each fisher person during the tournament. Round to the nearest hundredth. _m-- 1;" 1.33 If "3. 2.0 1:" 1.47 2.09 A claim was made that 65% of married women think that discipline of children is the biggest point of contention in a marriage. Suppose that 15 married women are having coffee together one morning. What is the probability that at least seven of them say that child discipline is the biggest point of contention in their marriage? {i} .65 0.957806 0.071037 5"; 0.886769 Question 14 [1 point) Assume at GED scores are normally distributed. Jason scored one standard deviation below the mean. What is Jason's percentile? .5 j;;. 16 .5 j;;. 34 .5 j;;. 50 _ 64 Suppose we are interested in knowing the average weight of 10-vea r-old boys. We ra ndomlv selected 35 boys and measured their weight. The sample average weight is 70 lbs, and the sample standard deviation is 9 lbs. Compute the standard error of the mean. Round to four decimal places when necessary. 7:" ii) 1 q" f) 9 ("1) 1.6903 ("1) 1.5213 Question 16 (1 point) What price do farmers get for their strawberry crops? In the third week of April, a random sample of 31 farms gave a sample mean of $67.00 per 10 pounds of strawberries. Assume that 0' is known to be $1.68 per 10 pounds. Find a 95% confidence interval for the population mean price (per 10 pounds] that farmers get for their strawberry crop {in dollars). .5 :3 {$66.50, $67.50) (3 {$66.41, $67.59) if) [$66.45, $67.55) A trucking company.r notices that more and more cars are on the road every year. The company believes that people are driving more miles. What would make sense as a set of hypotheses: (""3 Ho: people are driving more miles Ha: people are not driving more miles Ho: people are not driving more miles Ha: people are driving more miles Question 18 (1 point) Given the data in the table below, use linear regression to find the best fit line. What is the value of the slope (m) and the coefficient of determination R2? g 3. m = -0.877, R2 = 0.9238 x a: :3 m = 0.6667, R2 = 0.9238 .3"; m = 0.6667, R2 = 0.8533 \\ m = 0.877. R2 = 0.8533