Question

The score distribution shown in the table is for all students who took a yearly AP statistics exam. An AP statistics teacher had 48 students preparing to take the AP exam. Though they were obviously not a random sample, he considered his students to be "typical of all the national students. What's the probability that his students will achieve an average score of at least 32 Percent of students 13.4 21.3 24.5 18.6 222 The probabability that his students will achieve an average score of at least 3 is (Round to four decimal places as needed.)

Answer 1

scode Probability B4 0.134 0.213 0.245 0.186 0.222 PCX73) = P(X=3) +P CX=4) +PCX=5) = 0.245 +0.213 +0.134 PCX73) = 0.592