hello please i need help chapter 17 question 10 solving the problem !!

It is known C. partment \\Note that the winning percentage for red uniforms 2% D'S. in part a is identical to the percentage in part 6 ( 31 out of 50 is 62% , and 62 out of 100 is also 62% ). 18 lowing Although the two samples have an Identical win - ning percentage , one is significant and the other is not . Explain why the two samples lead to different conclusions . 10 . \\ A communications company has developed three new designs for a cell phone . To evaluate consumerresponse , a sample of 120 college students is selected and each student is given all three phones to use for \\1 week . At the end of the week , the students must identify which of the three designs they prefer . The Buy - Eight - Get- One- Free distribution of preference is as follows : Buy - Ten ( with Design 1 Design 2 Design 3 12 Free Punch 38 28 13 . In a cla Do the results indicate any significant preferences investi among the three designs ? eyewit In the \\11 . In Problem 10 , a researcher asked college students to autom