From the top of a light house 130 ft. above sea level the measure of the angle of depression is 40 degrees. Find, to the nearest tenth, the distance from the boat to the foot of the light house.

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.