e6lwoodleycker e6lwoodleycker

13-06-2016
Mathematics

contestada

Given a mean of 8 and a standard deviation of 0.7, within how many standard deviations of the mean do the values 7.7, 8.4, 9, 8, and 6.9 fall?

2

1

0

3

Respuesta :

24-06-2016

*We can to find the upper limit of the data by using the values given in the options.
If 2
the upper limit is 8 + 2*0.7 = 9.4

If 1
the upper limit is 8 + 1*0.7 = 8.7

If 0
the upper limits is 8+ 0*0.7 = 8

If 3
the upper limit is 8 + 3*0.7 = 10.1

Therefore, the answer is
3
since all the values are included

Answer Link

Otras preguntas

6x¹⁸ divided by 9x⁶ please answer fast thanks!

What is the ph of a solution with a hydroxide (oh) concentration of 2.02e-5?

Labor costs that are clearly associated with employees who directly convert materials to finished product are called:

A doggie day care facility is open six days a week. The numbers of dogs prsent each day last week were: 31,33,33,35,30,12. What is the most appropriate measure

calculate time if distance is 53km and speed is 60km/hour?

Solve: log8 (x - 4) = 2

What is the genotype of the dad? What is the genotype of the mom? What is the genotype ratio among their children? What is the phenotype ratio among their child

Anyone know how to do this?

What is the solution to this equation? (1/27)2-x =9^3x

93/100 Natalie needs 3 1/2 cups of flour to make 4 dozen cookies. How many.cups will she need to make 2 dozen cookies? 7 cups 1 cup 13/4 cups 11/2 cups