Answer:
H0: 
H1: 
The statistic would be given by:
Step-by-step explanation:
Information given
represent the sample size 1
represent the sample size 2
represent the sample variance 1
represent the sample variance 2
The statistic to check the hypothesis is given by:
Hypothesis to test
We want to test if the two variances are equal, so the system of hypothesis are:
H0:
H1:
The statistic would be given by:
The sum of y and 9
Hope this helps
Answer:
Is this a complete question?
Answer:
x=-4
Step-by-step explanation:
The given equation is
Subtract 3 from both sides.
Divide both sides by -2.
If |x|=a, then x=a or x=-a.
Case 1: 
Subtract 1.5 from both sides.
Divide both sides by 0.5.
Case 2: 
Subtract 1.5 from both sides.
Divide both sides by 0.5.
Therefore, one solution is x=-2 and other solution is x=-4.
The correct amount taken from the account for car wash membership fee is shown below:
−4|25| = −$100
What is the amount subtracted from the account on the account balance?
The amount subtracted has a negative impact on the account balance because it reduces the account balance as it is an expense or debit transaction unlike a credit that increases the balance
$25 is spent every month, which means -$25 taken from the account every month
total amount deducted for 4 months=4*-$25
total amount deducted for 4 months=-$100
The correct option which indicates -$100 is −4|25| = −$100
Find out more membership subscription fee on:brainly.com/question/28372534
#SPJ1
