Three years ago, the mean price of an existing single-family home was $243 comma 752. a real estate broker believes that existing home prices in her neighborhood are lower.

a) determine the null and alternative hypotheses.

(b) explain what it would mean to make a type i error.

(c) explain what it would mean to make a type ii error

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

Find the arc length of the semicircle. 7the grade