Question

Scores on the SAT Mathematics test (SAT-M) are believed to be Normally distributed, with mean μ. The scores of a random sample of three students who recently took the exam are 550, 620, and 480. A 95% confidence interval for μ based on these data is
A. 550.00 ± 173.88.
B. 550.00 ± 142.00.
C. 550.00 ± 128.58.
D. 550.00 ± 105.01.

Answer 1

@jim_thompson5910

Answer 2

@itsssjennaaa @KG1234 thoughts?

Answer 3

I say either B or C...

Answer 4

this math is waaaaay out of my smartzone

Answer 5

i have no idea hahahah

Answer 6

Oh no team :(

Answer 7

WE LET THE TEAM DOWN

Answer 8

It's okay KG you're still the best.

Answer 9

thanks kdawg i appreciate the love

Answer 10

Kaw Kaw.

Answer 11

are you a bird...........

Answer 12

Yes :).