Use technology or a z-distribution table to find the indicated area. The scores on a standardized exam are normally distributed with a mean of 400 and a standard deviation of 50. Approximately 40% of the scores are greater than which score? 370 387 413 430

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

How is the interquartile range calculated?

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.