Given that the dealer sells a dozen tires for $240, every 3-tire set costs $60. There are six 2-tire sets in a dozen. Thus, his total revenue should be $360. The total profit is the difference between the total revenue and the total cost. The answer is therefore, the first choice, $120.
Answer:
Her z-score is 2.03.
Step-by-step explanation:
In a set with mean and standard deviation , the zscore of a measure X is given by:
Michelle’s height is 1.758 meters. What is her z-score?
Michelle's is a woman.
The average height of women is and the standard deviation is
This is Z when X = 1.758. So
Her z-score is 2.03.
Answer:
2
Step-by-step explanation:
.48 rounds down
.5 rounds up
Answer:
61
Step-by-step explanation:
aₙ = a₁ + (n - 1)d
aₙ = 4 + (20 - 1)3
aₙ = 4 + (19)3
aₙ = 4 + 57
aₙ = 61