Answer:
1) -4
2) 1/4
Step-by-step explanation:
8x + 2y = 7
-8x -8x
<u>2y</u> = <u>-8x + 7</u>
2 2
y = -4x + <u>7</u>
2
Answer:
You will repay $1,393
Step-by-step explanation:
20% = 20/100 = 1/5
Hence, there is one chance in five that the spinner will stop in a red section.
Answer:
The interval 52% to 58% is based on a procedure that includes the true population value 95% of the time.
Step-by-step explanation:
x% confidence interval:
A confidence interval is built from a sample, has bounds a and b, and has a confidence level of x%. It means that we are x% confident that the population mean is between a and b.
95% confidence
We are 95% sure that the interval contains the true mean/proportion, and thus, the correct option is:
The interval 52% to 58% is based on a procedure that includes the true population value 95% of the time.