Step-by-step explanation:
We know that,

Where,
X = raw score = 84
μ = mean = 68
σ = standard deviation = 10
Putting the values,

The percent of his sales that were less than or equal to 84 inches, is

Therefore, the remaining 100-94.5=5.5% were more than 84 inches.
Answer:
102 hours
Step-by-step explanation:
That would be 12 3/4 divided by 1/8 hours
= 51/4 / 1/8
= 51 * 8 / 4
= 408 / 4
= 102 hours
4, 16, 64, 256. The powers are 4 to the first. Four to the second, four to the third and four to the fourth power.
The answer would be 1.
1/6 + 1/6 + 1/6 + 1/6 + 1/6 + 1/6 = 6.
Divide by 6 and you have 1 for the answer.