Mathematics, 19.09.2020 01:01 laureimaneaxel

A ride-sharing company claims that the cost of rides follows a Normal distribution with a mean of $10.52. After paying for a ride from this company, a rider reports that his price is in the 85th
percentile of all other riders' prices. If this rider paid $15.93, what is the approximate standard
deviation of this company's ride-sharing cost?

A ride-sharing company claims that the cost of rides follows a Normal distribution with a mean of

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