(40 POINTS)

In a high school high jump contest, the height of clearing the bar ranged from 71 inches
to 84 inches. The mean height was 76 inches and the standard deviation was 3.5 inches.
What percent of the jumpers were in the group jumping below 79.5 inches? (HINT: How
many standard deviations is 79.5 inches?)

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Convert 2000 swiss francs to dutch guilders