The periscope of a submarine is at sea level. the boat captain spots an airplane with an elevation angle of 30 degrees. the airplane is flying at an altitude of 2000 feet the horizontal distance between the submarine and the airplane is
a.3464 feet
b.3644 feet
c.3664 feet
d.3446 feet

Module 2 homework: descriptive statistics 40206 module 2: homework 56 randomly selected students were asked how many siblings were in their family. let x represent the number of pairs of siblings in the student's family. the results are as follows: # of siblings 1 2. 4 10 frequency 13 6 10 10 round all yeur answers to 4 decimal places where possible. the mean is: the median is the sample standard deviation is the first quartile is the third quartile is: what percent of the respondents have at least 3 siblings? % 83% of all respondents have fewer than how many siblings?