A country in Africa is trying to restore its giraffe population and is carefully keeping track of how many giraffes are in the area. To do so, local wildlife authorities put tags on 20 giraffes and release them. Later, they corral 570 giraffes; among these giraffes, 15 are tagged. To the nearest whole number, what is the best estimate for the giraffe population? Submit

d). What is the pmf? 3) What is the median, ã ?

A histogram which is not symmetrically bell-shaped is called shrewed skewed stewed spoofed

Find the mode of the following list of weights (in pounds) of Boston terriers at a pet store. 17,12,8,21,8,16,12,8,21,16,8

Please answer all 4

I only need Part D.

What is Stem and Leaf Display?

60% of students entering four-year colleges receive a degree within six years. Is this percent smaller than for students who play intramural sports? 128 of the 220 students who played intramural sports received a degree within six years. What type of test should you use? A) z-test for population mean B) z-test for population proportion C) t-test for population mean

The distribution of hemoglobin in grams per deciliter of blood if approximately N(14,1) in women and approximately N(16,1) in men. Use software or Table B to find the answers. A) What percent of women have more hemoglobin than the men's mean hemoglobin? B) What percent of men have less hemoglobin than the women's mean hemoglobin? C) What percent of men have more hemoglobin than the women's mean hemoglobin?

There are 15 numbers on a list, and the smallest number is changed from 4 to 0.4.a) Is it possible to determine by how much the mean changes? If so, by how much does it change?b) Is it possible to determine the value of the mean after the change? If so, what is the value?c) Is it possible to determine by how much the median changes? If so, by how much does it change?d) Is it possible to determine by how much the standard deviation changes? If so, by how much does it change