Help? Please?<br><br> Round the number to the thousandths place "79337.945573"

A study reports that 75 percent of young adults in a county get their news from online sources. A sociologist believes that the

lilavasa [31]

The following is the most appropriate method for investigating the sociologist’s belief is,

A. A one-sample zz-test for a difference in population proportions

Step-by-step explanation:

The young adults in a county get their news from online sources are 75 percent.

But according to sociologist the percentage is actually greater than 75 percent.
The correct answer is A one-sample zz-test for a difference in population proportions.
The One proportion Z-test is used to compare proportion which is observed to a theoretical one, only when there are only two categories.
A z-test is a statistical test which is used to determine whether there are two population which means there are different when the variances are known and the sample size is relatively large.

7 0

2 years ago

Read 2 more answers

Write the recursive rule and the iterative rule for the following sequence: 10, 6, 2, -2, -6

barxatty [35]

The recursive rule is
$a_n=a_{n-1}+(-4)$ .
The iterative rule is
$a_n=14-4n$

The recursive rule is given by the formula
$a_n=a_{n-1}+d$ , where d is the common difference. Our common difference is -4, which gives us the recursive rule above.

The iterative rule begins with the formula
$a_n=a_1+d(n-1)$ , where a₁ is the first term and d is the common difference. Our first term is 10 and our common difference is -4:
$a_n=10+(-4)(n-1)
\\\text{Using the Distributive Property,}
\\
\\a_n=10+(-4*n)+(-4*-1)
\\
\\a_n=10-4n+4
\\
\\\text{Combining like terms,}
\\
\\a_n=14-4n$

7 0

2 years ago

What is the area of the trapezoid

irga5000 [103]

The equation for a trapezoid is A = a+b all over 2 times h

So, you would simply substitute.

A=15

B=12

H=8

15+12/2 (8)=

27/2 (8)=

13.5 (8)=