As the sample size n increases, the sample mean (μy) becomes a more accurate estimate of the parametric mean, so the standard error of the mean becomes smaller. Therefore, the variance of y decreases and the distribution of y becomes highly concentrated around μy.

7 0

3 years ago

The masses of the oranges on sale at a farm stand are normally distributed with a mean of 239 grams and a standard deviation of

ra1l [238]

Answer:

0.8

Step-by-step explanation:

i just took the test

8 0

2 years ago

Sam divided a rectangle into 8 congruent

VMariaS [17]

Answer:

40cm²

Step-by-step explanation:

pretty sure bc there are 8 equal 5 cm² pieces meaning you multiply by 8 for the answer. 5•8=40. I think rofl

3 0

3 years ago

5.Karen is thinking of a number. If she multiplies her number by −3 and then adds 6, she has −4 times the original number. What

alekssr [168]

-3x+6 = -4x

6 = -x

x = -6

check:

-6*-3 = 18 +6 =24

-6*-4 = 24

number = -6

5 0

3 years ago