Question

PLS help I will give 10 points and more who ever has a for sure answer

The table shows the results of four surveys that randomly sampled 30 teenagers about their favorite night to hang out with friends.
══════Friday|Saturday|Sunday|Total
Survey 1|9 ═══|14════|7════|30
Survey 2|11═══|13════|6════|30
Survey 3|10═══|14════|6════|30
Survey 4| 7 ═══|5═════|18═══|30
Identify surveys that are likely biased. Based on the unbiased surveys, what percent of the teenagers are likely to prefer hanging out with their friends on Saturday night?
(a) 21 %
(b) 34%
(c) 38%
(d) 46

Answer 1

c) 38%

How you get this answer: 14 students is 46,6 % 13 students is 43,3% and 5 students is 16,6 %. 46,6+43,3+46,6+16,6=153,13. In order to get average 153,13/4=38,28. Hope that helped