Mathematics, 11.02.2020 21:26, lflugo6oyn4sp
Mathematics achievement test scores for 300 students were found to have a mean and a variance equal to 600 and 3600, respectively.
(a) If the distribution of test scores was mound-shaped, approximately how many of the scores would fall into the interval 540 to 660? (Round your answer to the nearest whole number.)
(b) Approximately how many scores would be expected to fall into the interval 480 to 720? (Round your answer to the nearest whole number.)
Answers: 3
Mathematics, 22.06.2019 04:20, silasjob09
Given the equation negative 4 square root x minus 3 equals 12
Answers: 2
Mathematics, 22.06.2019 05:00, LuckyCharms988
Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 3x^2 -2x =0 2) 2x^2 =3x 3) 2 * 2 = 2 * 2 4) 6 +2x = 2(4x)
Answers: 1
Mathematics achievement test scores for 300 students were found to have a mean and a variance equal...