Mathematics, 20.10.2020 23:01 mari8493

7. Ms. Lucas conducted a survey of 40 randomly chosen students she teaches.
The survey results showed that 23 are in
the marching band and 25 are taking
Spanish class. There are 12 students both
in the marching band and taking Spanish
class.
a.
How many students are in the
marching band and not taking Spanish?
How many students are taking
Spanish and not in the marching band?
C. How many students are neither in
the marching band nor taking Spanish
class?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 17:30

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

Answers: 2

Answer

Mathematics, 21.06.2019 18:30

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Answers: 3

Answer

Mathematics, 21.06.2019 20:30

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

Answers: 1

Answer

Mathematics, 21.06.2019 20:50

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Answers: 1

Answer

You know the right answer?

7. Ms. Lucas conducted a survey of 40 randomly chosen students she teaches.
The survey result...

Questions

Mathematics, 02.02.2021 01:10

-0.50x – 5 + 1.5x + 3.4 Combining like terms...

Mathematics, 02.02.2021 01:20

The height of the water in a pool is proportional to the minutes it takes for the pool to fill up. If the height of the water is 2 inches after 5 minu...

Mathematics, 02.02.2021 01:20

What was the second highest number of votes ...