the richmond park gamekeeper wanted to know how many deer were in the park . he caught 90 of them and put a small tag round a hoof of each of them . He then let the deer go back into the park the next week, the gamekeeper caught 70 deer. 10 of the deer had a tag around their hooves a) using this information, what estimate did the gamekeeper make for how many deer were in the park? b) write down one assumption he made

Question 3(multiple choice worth 1 points) use the arc length formula and the given information to find r. s = 16 cm, θ = 48°; r = ? sixty divided by pi cm thirty divided by pi cm one third cm one hundred twenty divided by pi cm

Whoever gets this right gets the ! the half life of a soul smelling substance is 4 years. if you have 8 oz of this strange substance, how much of it will you have after 20 years? show work.

Arandom sample of n = 25 observations is taken from a n(µ, σ ) population. a 95% confidence interval for µ was calculated to be (42.16, 57.84). the researcher feels that this interval is too wide. you want to reduce the interval to a width at most 12 units. a) for a confidence level of 95%, calculate the smallest sample size needed. b) for a sample size fixed at n = 25, calculate the largest confidence level 100(1 − α)% needed.