The probability of getting tail in one toss is 100% - 80% = 20%
In 10 tosses, the relative frequency to get tail is 0.2 × 10 = 2 times
Expected value of money earn = 2 × $2 = $4
Step 2 because 3-4 is not positive 1, it's negative 1.
Answer: l and ll only
Step-by-step explanation:
Those are necessary.
Distribute the brackets to get all your terms and then combine like terms to simplify your expression.
(X+2)(x+2)
= x^2 + 2x + 2x + 4
= x^2 + 4x + 4
3 feet is equal to 1 yard and 3 feet is 36 inches. 288 inches divided by 36 is 8 so 8 yards is equal to 288 inches.