Amy and Herb are at the bottom of a Ferris wheel. The wheel has a radius of 30 metres and completes 1 cycle in 20 seconds. The bottom of the wheel is 2 metres above the ground. 1. Determine a cosine equation that represents their height above the ground, in metres, as a function of the time, in seconds. а. b. After the wheel starts moving, how many seconds will it take for Amy and Herb to be 22 metres above the ground for the 1st time? Round your answer to 2 decimal places. What is the vertical height above the ground of Amy and Herb after 137 seconds? Round your answer to 2 decimal places. с.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.