Answer: p = 0.73
Step-by-step explanation:
Given that,
73% of the audience was under 20 years old :
so, probability (p) = 0.73
n = 146
Mean of the distribution of sample proportion = ?
According to central limit theorem,
np(1-p) ≥ 10
146 × 0.73(0.27) ≥ 10
28.77 ≥ 10
∴ Central limit theorem assumes that the sample distribution of the sample proportion is normally distributed.
Hence, the mean of the distribution of sample proportion:
μ = p = 0.73
Answer:
y=-4/5 x + 7
Step-by-step explanation:
Subtract 8 x by 8 x. Do not put 8 x under 10 y or 70.
Then divide 10 by all of the terms.
Then you have: y= 7 - 8/10 x
But then you have to flip 7 and - 8/10 x
And get y= -8/10 x + 7
Simplified is y= 4/5 x + 7
REMEMBER: y=m x + b
M= Slope
B= y-intercept
Answer:
105 pounds
Step-by-step explanation:
Answer:
J
Step-by-step explanation:
It says to estimate, so if I'm right, you would round each, add the new totals together, and then subtract that total from 20. 3.99 would be 4 dollars, 2.29 would round down to 2 dollars, and 6.75 rounds up to 7. 4+2+7=13. 20-13=7, so therefore, she would recieve about 7 dollars in change.
