The owner of a new coffee shop is keeping track of how much each customer spends (in dollars). A random number table was used to
generate a random sample of 20 pieces of data. The dot plot below shows the twenty pieces of data.
Based on the data in the dot plot, what would you expect the mean of the sample to be? EXPLAIN YOUR REASONING.
Based on the data in the dot plot, what would you expect the mean of the sample to be? EXPLAIN YOUR REASONING.
1 answer:
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<u>ANSWER: </u>
Rate per annum at which CI will amount from RS 2000 to RS 2315.35 in 3 years is 5%
<u>SOLUTION: </u>
Given,
P = RS 2000
C.I = RS 2315.35
T = 3 years
We need to find the rate per annum. i.e. R = ?
We know that,
When interest is compound Annually:
Where p = principal amount
r = rate of interest
n = number of years
R = 5%
Hence, rate per annum is 5 percent.