Answer:
μ−2σ = 1,089.26
μ+2σ = 1,097.62
Step-by-step explanation:
The standard deviation of a sample of size 'n' and proportion 'p' is:

If n=1139 and p =0.96, the standard deviation is:

The minimum and maximum usual values are:


Answer:
13 units
Step-by-step explanation:
So the length of those 2 points is 6+6 = 12.
The height would be 8-3 =5
Using pythagoras, you can find out the length of the line joining the 2 points so:

units
Answer:
red=28℅,yellow =20℅, purple =16℅, green =12℅, orange=24℅
Step-by-step explanation:
total skittles =125
now,
To find the percentage of each skittles,
red =35 (<u>3</u><u>5</u><u> </u>×100) =28 ℅
125
u can find each ℅ by same method.
hope it help u.
Answer:
2
Step-by-step explanation:
Given that the two cone are similar, then
3/7 = x/5
7x = 15
x = 15/7