Aseventh grade student chooses a random sample of 50 out of 400 students. he finds that 7 students have traveled outside the united states. the students claims that over 50 of the students have likely traveled outside the united states. is the student correct? explain.

6.3x+14 and 1.5x-6 answer in simplified form

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?