Answer:
Probability to pick yellow or orange sweet = 3 / 8
Step-by-step explanation:
Given:
Number of yellow sweet = 5
Number of red sweet = 4
Number of green sweet = 8
Number of orange sweet = 4
Number of white sweet = 3
Find:
Probability to pick yellow or orange sweet
Computation:
Total number of sweets = 24 sweets
Probability to pick yellow = 5 / 24
Probability to pick orange = 4 / 24
Probability to pick yellow or orange sweet = 5/24 + 4 / 24
Probability to pick yellow or orange sweet = 9 / 24
Probability to pick yellow or orange sweet = 3 / 8
Answer:
<em>The maximum area of the second board must be
square inches.</em>
Step-by-step explanation:
The total area of two different size boards cannot exceed
square inches.
The area of one board is
square inches.
Suppose, the area of the second board is
square inches.
That means......

So, the maximum area of the second board must be
square inches.
Answer:
B
Step-by-step explanation:
Answer:
The correct answer is "(18, 30) minutes".
Step-by-step explanation:
Mean,
= 24
Standard deviation,
= 2
The range of minutes where 99.7% of individuals completed the quiz will be:
= 
On substituting the values, we get
= 
= 
now,
= 
= 
Or,
= 
= 
i.e., 18 to 30 minutes
Start with

Multiply the whole equation by 2. Since 2 is positive, we don't need to switch the inequality sign:

Subtract 3 from both sides:
