Athlete has Result Stretched Not stretched Use the provided contingency table and expected frequencies. At a = 0.05, test the hypothesis that the variables are independent. Complete parts (a) through (e) below. Injury 19 (22.568) 24 (20.432) No injury 224 (220.432) 196 (199.568) ...... (a) Identify the claim and state Ho and Ha. Họ: An athlete's injury result is independent of whether or not the athlete has stretched. Hạ: An athlete's injury result is dependent on whether or not the athlete has stretched. Which hypothesis is the claim? O Alternative hypothesis Null hypothesis (b) Determine the degrees of freedom, find the critical value, and identify the rejection region. Calculate the degrees of freedom. d.f. = 1 (Type a whole number.) Find the critical value. xổ =0 (Round to three decimal places as needed.)

Q: clean a room in 3 hours. If her partner helps they can clean it in 2.4 hours. How long would it take…

A: Given query is to find Kyra's partner to clean the room alone.

Q: If it takes 30 gardeners 12 days to prune the trees in a park, how many days will it take them to do…

A: The objective of this question is to find out how many days it would take for 50 gardeners to…

Q: Zane can paint a bedroom in 5 hours. With help from his father, Zane and his dad can paint the same…

A: Explanation: Given that,  Zane can paint a bedroom = 5 hours Zane & his father can paint a…

Q: Anna usually works 7 days a week, but sometimes just 1, 2, or 5 days. You want to know the average…

A: For a set of n observations, x1, x2, ... , xn with frequencies f1, f2, … , fn, mean is given by,…

Q: Ten full of walnut weigh 420 , where are the empty crate weigh 5 pound . How much do the walnut…

A: Given:  weight 10 full crate of walnut = 420 lbs. Weight of an empty crate = 5 lbs.     To…

Q: a total of 25000is to be invested in stock and bonds. if the amount invested in bonds is four times…

A: Let's find amount invested in binds and stocks.

Q: bill can shovel the snow from the walk in 45 minutes. When Carol helps him, they can shovel th walk…

A:

Q: What will your company’s revenue be if you produce and sell 10 million chips? What about 60 million…

A:

Q: If you eat 18 grapes in 6 minutes, how long will it take to eat 8 grapes

A: To find the time taken to eat 8 grapes

Q: A tennis player uses up 800 calories every hour. In 1 hour and 15 minutes, how many calories does…

A:

Q: Would be nice for some help, thank you.

A: From the table write the values of x and y in ordered pair form x, y, where the first coordinate…

Q: A 6 inch personal pizza has 630 calories, with 240 of those from fat. A 14 inch pizza is cut into 8…

A: To estimate the number of calories in one slice of a 14-inch pizza, we can follow these steps:1.…

Q: A company produces 128000 cases of soft drink annualy. It costs 1 dollar to store 1 case for 1 year…

A: Topic = Algebra

Q: A small plastic cube that you are using in the prop for your movie is exactly one cubic inch. The…

A:

Q: estimate the number of times that the sum will be 10 if the two number cubes are rolled 600 times.

A: Solution: Given that the sum is 10 The only 3 ways that two dice can sum to 10 are (4, 6), (5, 5),…

Q: Due to your severe pain the doctor tells the nurse to give you 625mg of pain medication every 6…

A:

Q: x²74X+2

A: find roots of quadratic function.

Q: Suppose that 700 pieces of chocolate candy are to be sold 50 pieces to a box. How many boxes are…

A:

Q: 5x=7 ?=X

A: Given 5X = 7

Q: This bag contains twice as many Black beans as Red beans. There are 6 Lima beans. There are equal…

A:

Q: Four sixths of 10 are equal to

A:

Q: 0.7x + 0.5y =16 -0.5x - 2.5y = -65.0

A: To solve the following system of equations.0.7x+0.5y=16-0.5x-2.5y=-65.0

Q: The amount of blackberries picked, in pounds, varies directly as the number of hours worked. After…

A: Let  A denotes the amount of blackberries picked and  n denotes the number of hours worked

Q: A 1200 mL IV drip is labeled to contain 8% of a laxative. Find the number of mL of the IV drip that…

A:

Q: Find two numbers whose sum is 9 and their difference is 60.   Smaller- Large number-

A: We have given the - sum of two numbers = 9. difference of two numbers = 60. we have to find the…

Q: Willie Mays and Mickey Mantle hit 88 home runs one season to lead their leagues. Mays hit 14 more…

A:

Q: the sum of the ages of Juman ans Nina is 112 years ago. 6 years ago, Juwan age was 4 time Nina's…

A: Using given information we will solve the question.

Q: How many game will it take for him to hit 62 home runs if it takes 40 games for 12 home runs

A: From the given information we want to know how many game will take for him to hit 62 home runs.

Q: 7+a=85 2. Solution

A: Explanation of the answer is as follows