Answer:
-7.90
Step-by-step explanation:
Let's write the null hypothesis (H0) and alternative hypothesis (Ha) from the claim statement
P = population proportion of adults who would erase all of their personal information online if they could
H_{0}:P=0.5
H1 P< 0.5
Let's write the given information:
n = sample size = 480
sample proportion = 
formula of z test statistic for one sample proportion test is as follows:

plug the above values in the above formula we get

So that the test statistic value is -7.90 (Rounded up to two decimal places)
Answer:

Step-by-step explanation:
<h3>to understand this</h3><h3>you need to know about:</h3>
<h3>let's solve:</h3>





Answer:
Bots are very annoying and they post inappropriate content too
Step-by-step explanation:
They need to be stopped
Answer:
11 13/15
Step-by-step explanation:
-3 2/3+b = 8 1/5
Add 3 2/3 to each side
-3 2/3 + 3 2/3+b = 8 1/5+ 3 2/3
b = 8 1/5 + 3 2/3
We need to get a common denominator of 15
8 1/5 = 8 3/15
3 2/3 = 3 10/15
----------------
11 13/15
Answer:
5
Step-by-step explanation:
Add the numbers together, then divide that by the amount of numbers
(2 + 7 + 6 + 1 + 9 + 2 + 4 + 9)/8
40/8 = 5