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:
24 full weeks needed
Step-by-step explanation:
30 + 3x = 100
3x = 70
x = 23.333
24 weeks needed
Y=1/4x+3 is the correct equation