Question

A random sample of 45 students were surveyed about their favorite holiday. Identify the incorrect inference from the given options.

	Halloween	Thanksgiving	Fourth of July
Sample 1	15	10	20
Sample 2	17	15	13
Sample 3	18	12	15

• A. The least favorite holiday of the students is Thanksgiving.
• B. The most favorite holiday of the students is Halloween.
• C. Thanksgiving and the Fourth of July both are not the favorite holidays of the students.
• D. Equal number of students like Thanksgiving and the Fourth of July.

Answer 1

The correct option is D Equal number of students like Thanksgiving and the Fourth of July.

Number of people whose favorite holiday is Halloween $=15+17+18=50$
Number of people whose favorite holiday is Thanksgiving $=10+15+12=37$
Number of people whose favorite holiday is the Fourth of July $=20+13+15=48$
Options A, B, and D are all true.

Only option C is incorrect.