Answer:
(b)
Step-by-step explanation:
wait the answer until in 1 or 5
Answer: both
Unless you mistyped the first number and it’s actually -3 instead of 3 than b is the answer.
To see if they make a function you can graph all the coordinates and do the line test. Or you can look at all the numbers and see if any of the ordered pair have repeating x values. If they do, it’s not a function.
Remember, it’s (x,y) and if any X values repeat, it’s NOT a function
Answer:
Rachel's score is 2.3333 standard deviations above the mean
Step-by-step explanation:
GRE scores are normally distributed
Let be G the random variable ''Gre scores''
G ~ N (mean,standard deviation)
G ~ N (600,30)
Rachel scored 670 on the analytic portion of the GRE.
670 - 600 will be the score above the mean
670 - 600 = 70
To find this in terms of standard deviation we divide by the standard deviation
70/standard deviation = 70/30 = 7/3 = 2.33333333 standard deviations
