Bart takes a random sample of 50 students in his seventh-grade class and finds that 40% of the sample prefers chocolate ice cream over vanilla ice cream. there are 200 students in the seventh grade. based on the sample proportion, about how many students in the seventh grade would be expected to prefer chocolate ice cream over vanilla ice cream? 40 80 50 200

Second option is correct.

Step-by-step explanation:

Since we have given that

In a sample of 50 students in seventh - grade class ,

Percentage of the sample prefers chocolate ice- cream over vanilla ice = 40%

So, In a sample of 200 students in the seventh - grade class,

Percentage of the sample prefers chocolate ice- cream over vanilla ice is also 40%.

So, Number of students in the seventh grade would be expected to prefer chocolate ice cream over vanilla ice cream is given by

Hence, there are 80 students in the seventh grade would be expected to prefer chocolate ice cream over vanilla ice cream.

Thus, Second option is correct.

(x, y)→(x − 8, y − 7)

step-by-step explanation:

enjoy!

costs the what? what is the cost of the pants?

step-by-step explanation:

if it is $10, then the price is 14.

take 40% of the cost, and then add the cost.

40% of 10 = 4

4+10 = 14.