Answer:
800 ÷ 40
=20
It will take Carmen 20 to pay back her loan
Answer:
h. 36
Step-by-step explanation:
For a 68.26% confidence, z = 1.0.
Standard deviation (s) = 30 minutes
The sample size needed to assure that the sample mean does not differ from the true mean by more than 5 minutes is given by:
The sample size needed is 36.
Answer:
oh my! not sure what y’all are learnin, but i’m guessing its 0, 1 makes no sense nor does any of the 3’s. i would consider asking a teacher ;-;
Step-by-step explanation:
Answer:
1200 students at the school
Step-by-step explanation:
Let x be the total number of students at the school
50% ride the bus
600 students ride the bus
x*50% = 600
Changing to decimal form
.50x = 600
Divide each side by .5
.50x/.5 = 600/.5
x =1200
1200 students at the school
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