Approximately 59% of films are rated r. if 930 films were recently rated, how many were rated r?

About 549

Step-by-step explanation:

You have to set it up as a proportion, setting the percent and the number of movies equal.

X - Number of R-Rated movies.

Now, cross multiply, multiplying the numerator of the left and the denominator to the right, and vice versa.

Now, solve the inequality.

Now, round up.

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

copy and paste, put it in google