Answer: 19.5 GB
To find this answer, we multiply the number of daughters (3) by the amount of data each uses per month (6.5)
So, 6.5*3 = 19.5 is the total amount of gigabytes used per month.
two thousand ten and eight tenths
Answer:
2numbers of tens and need to be the best
(5.2,7.6)
mean=6.4
standard deviation=0.6
we have to find the range in which at least 75% of the data will reside
1-1/k²=0.75
1/k²=1-0.75
1/k²=0.25
k²=1/0.25=4
k=2
so, k=2
The range of values can be computed as mean±k(standard deviation).
Thus, the range in which at least 75% of the data will reside is
(mean-k(standard deviation), mean+ k(standard deviation))
(6.4-2(0.6),6.4+2(0.6)
(6.4-1.2,6.4+1.2)
(5.2,7.6)
learn more of standard deviation here brainly.com/question/14671301
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Given that sinA = y / r, where y is opposite, and r is hypotenuse,
sinA = DE / DF.