Will give the brainliest for a correct and a non guessed just for points question victor wants to conduct a survey to find how much time the students of his school spent playing football. which of the following is an appropriate statistical question for this survey? a. who plays football on weekends?
b. who plays football the most on mondays?
c. how many hours per week do you play football?
d. how many students play football for one hour every day?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Atest of sobriety involves measuring the subject's motor skills. a sample of 31 randomly selected sober subjects take the test and produce a mean score of 64.4 with a standard deviation of 2. a claim is made that the true mean score for all sober subjects is equal to 65. for each part below, enter only a numeric value in the answer box. for example, do not type "z =" or "t =" before your answers. round each of your answers to 3 places after the decimal point. (a) calculate the value of the test statistic used in this test. test statistic's value = (b) use your calculator to find the p-value of this test. p-value = (c) use your calculator to find the critical value(s) used to test this claim at the 0.2 significance level. if there are two critical values, then list them both with a comma between them. critical value(s) =

Pleas its really urgent and i would really appreciate it! what is the value of x? enter your answer in the box. x =