Please help!!! Rachael deposits $1,500 into a retirement fund each year. The fund earns 8.2% annual interest, compounded monthly
1 answer:
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Answer:
35
Step-by-step explanation:
Let the three numbers be x,x+2,x+4
x+x+2+x+4=111
3x+6=111
3x=111-6
3x=105
x=105/3
x=35
Three numbers:
35,37,39
smallest of all:35
Hope this helps! C:
Answer:
900 sample size
Step-by-step explanation:
To determine the sample size for a proportion, the margin of error formula is used to determine this:
Where p is the proportion, E is the margin of error, n is the sample size, q = 1 - p, is the z score.
Since the proportion is not known, the sample size needed to guarantee the confidence interval and error is at p = 0.5 and q = 1 - p = 1 - 0.5 = 0.5
E = 5% = 0.05, = 3. Hence: