3) In 1990, the sale prices of homes in San Diego area was approximately normal with a mean of $150,000 and a standard deviation of $25,000. a) A house had a sale price of $175,000. Find the probability below this house price. Round to 4 decimals. b) The middle 75% of the data was highly competitive house prices in the 90s. Find those house prices. Round to two decimal places.

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