252.828911927301718279402738
Answer:
Brooke can be no older than 21
Step-by-step explanation:
M=3+2B
M+B is less than or equal to 30
3+2B+B=30
3+3B=30
3B=27
B=9
M=21
Answer:
C and D
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
Slope equation is (y2-y1)/(x2-x1)
(-1-4)/(2-3)
-5/-1
5
Answer: The sample size would be needed = 385
Step-by-step explanation:
Let p be the prior population proportion.
Margin of error = E
When not estimate of p is given , the formula to calculate the minimum sample size <em>n</em> =
, where z* = critical value for given confidence interval.
Here z* for 95% confidence level is 1.96.
E=5%=0.05
Then 
Hence, the sample size would be needed = 385