Pls
the language arts teacher wants to know whether the students in the entire school prefer a debate or a speech. the teacher draws a random sample from the following groups:
all teachers in the school
all boys in each grade
all students in the speech club
all students in each grade
which group best represents the population she should take a random sample from to get the best results for her survey?
a. all teachers in the school
b. all boys in each grade
c. all students in the speech club
d. all students in each grade

answer:

step-by-step explanation:

here, the total dishes = 10

dishes having meat = 3 ( chicken, meatloaf and hamburger )

thus, the probability of having meat on the chosen dishes = number of dishes having meat / total dishes

=

therefore, the probability of not having meat = 1- the probability of having meat on the chosen dishes

=

=

=

⇒ option b is correct.

there are 70 more legs than eyes at the dog show (196 – 126 = 70). dogs have two more legs than eyes, and humans have the same number of legs as eyes. thus 70 is twice the number of dogs at the show, so the number of dogs is half of 70, which is 35. to get the number of humans, subtract 35 from 63: 63 – 35 = 28.

step-by-step explanation: