In June an investor purchased 250 shares of Oracle (an information technology company) stock at $20 per share. In August she purchased an additional 400 shares at $27 per share. In November she purchased an additional 590 shares at $29 per share. What is the weighted mean price per share? (Round your answer to 2 decimal places. Omit the "$" sign in your response.)

What is the least common factor of 6 and 8

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to