The health of the bear population in a park is monitored by periodic measurements taken from anesthetized bears. a sample of the weights of such bears is given below. find a 95% confidence interval estimate of the mean of the population of all such bear weight86
350
422
354
172
226
268
366
210
150
338
40
146
186

Hiroki wrote a number that is the opposite of -3. what number did hiroki write? a. ⅓ b. 3 c. 0 d. -3

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?

2.5 milligrams is equivalent to how many grams