2x+6=x-3
if you also need the answer it's x=-9
Answer:
3.256*10³2
Step-by-step explanation:3.256 * 1000 = 3256 1000 =10³
11.11111111
you can round your answer
divide 27 by 9 you get 3
divide hundred by 9
you get your answer
Answer:
Step-by-step explanation:
Information given
n=564 represent the sample selected
X=51 represent the number of people who rated the overall services as poor
estimated proportion of people who rated the overall services as poor
is the value to compare
z would represent the statistic
Hypothsis to analyze
We want to analyze if the proportion of customers who would rate the overall car rental services as poor is 0.1, so then the system of hypothesis are:
Null hypothesis:
Alternative hypothesis:
The statistic for a one z test for a proportion is given by:
(1)
Replacing the info given we got:
And the p value since we have a bilateral test is given b: