(Answered) 1 you want to get a gumball out of a gumball

Statistics

1. You want to get a gumball out of a gumball machine. You really like the ones colored blue. You can see that there are four different colors in the machine: blue, red, yellow, and white. You buy 40 gumballs and record the colors. Is there sufficient evidence to suggest that the distribution of colors is not uniform?

Color

Blue

Red

Yellow

White

Frequency

2. Upon entering a business school, students are asked regarding their intended concentration. From past records the following proportions were determined, 30% - management, 15% - finance, 20% - accounting, 25% - marketing, and 10% - economics. For the newly admitted class of 350 students, the breakdown of preferences was as follows: 99 - management, 66 - finance, 59 - accounting, 80 - marketing, and 46 - economics. Is there sufficient evidence that the newly admitted class is different from previous classes?

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