Answer:
7/48
Step-by-step explanation:
there are 48 in total
there are 7 white females
7/48
-$70 is her balance after withdrawing the forty dollars
Answer:
5.48% of the people in line waited for more than 28 minutes
Step-by-step explanation:
Normal Probability Distribution:
Problems of normal distributions can be solved using the z-score formula.
In a set with mean
and standard deviation
, the z-score of a measure X is given by:

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.
Mean waiting time of 20 minutes with a standard deviation of 5 minutes.
This means that 
What percentage of the people in line waited for more than 28 minutes?
The proportion is 1 subtracted by the p-value of Z when X = 28. So



has a p-value of 0.9452.
1 - 0.9452 = 0.0548.
As a percentage:
0.0548*100% = 5.48%
5.48% of the people in line waited for more than 28 minutes
Answer:
2×3^2×5^10
Step-by-step explanation:
We presume you want the simplified product ...
3^2×5^2×2×5^3×5^5
The applicable rule of exponents is ...
(a^b)(a^c) = a^(b+c)
The bases are 2, 3, 5. The exponent of 2 is 1; the exponent of 3 is 2; the exponents of 5 are 2, 3, 5, so those get added.
= 2×3^2×5^(2+3+5)
= 2×3^2×5^10
_____
= 175,781,250