The heights of all newborns in a certain country are normally distributed, with a mean of 18 inches and a standard deviation of 1 inch. A mother just delivered a baby that is 16 inches long. Which of the following represents the z-score of the babies height. (Round your answer to two decimal places.)

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Step-by-step explanation:

As for this problem, we take into consideration that it was stated that each ticket costs $26. So if Ronald bought 6 tickets, the cost for all the tickets should have been just $132. His friend bought 5 tickets which was only at $80. Both him and his friend were overcharged. Ronald was overcharged by $30 and his friend was overcharged by $40. They generally paid another ticket with a little more to top on that. This is also an important lesson that since you know the price, you can calculate it itself to avoid being overcharged.