Mathematics, 12.04.2021 16:20, cathyjuan

A contest is being held at a school fair for seventh-grade and eighth-grade students.
• There are 40 seventh-grade students at the fair.
• There are 30 eighth-grade students at the fair.
Each student's name was written on one card and placed
into a box. The principal will reach into the box and pick
one card without looking. The student named on the card
will be the winner of the contest. What is the probability
that the winner of the contest will be an eighth-grade
student?
a. 1/2
b.3/4
c. 3/7
d. 1/30

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 20:30, girlygirl2007

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine, t, the number lf tokens jason bought

Answers: 1

continue

Mathematics, 21.06.2019 22:10, 666isabella666

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

Answers: 3

continue

Mathematics, 22.06.2019 00:30, bercishicicorbin

$5400 is? invested, part of it at 11? % and part of it at 8? %. for a certain? year, the total yield is ? $522.00. how much was invested at each? rate?

Answers: 1

continue

Mathematics, 22.06.2019 01:50, Savageman9509

The length of time it takes to find a parking space at 9 a. m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)

Answers: 1

continue

Do you know the correct answer?

A contest is being held at a school fair for seventh-grade and eighth-grade students.
• There...