Mathematics, 10.02.2021 14:00 gabriel345678734

Students in a large district's two high schools are offered a "Second Breakfast' program after their first-period class. The district's nutrition manager is interested in determining if the program is effective. He takes two independent
random samples of days from the previous years, 20 from high school A and 15 from high school B, and calculates
the mean amount of money, in dollars spent for the program. Which of the following statements concerning the
variability of the sampling distribution of the sample mean is correct?

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 16:30

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

Answers: 2

Answer

Mathematics, 21.06.2019 17:30

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

Answers: 3

Answer

Mathematics, 21.06.2019 18:10

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Answers: 2

Answer

Mathematics, 21.06.2019 18:20

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions.a. x2 − 4x − 7 = 0b. 4r2 + 11r − 3 = 0c. 3m2 + 7 = 0d. t2 + 2t + 1 = 0

Answers: 1

Answer

You know the right answer?

Students in a large district's two high schools are offered a "Second Breakfast' program after their...

Questions

Mathematics, 17.07.2020 17:01

Could you help me to solve the problem below the cost for producing x items is 50x+300 and the revenue for selling x items is 90x−0.5^2 the company ma...

Mathematics, 17.07.2020 17:01

Find the 7th term of the geometric progression which begins 2,-6,8...