Mathematics, 18.02.2020 21:25 zamawi17

Class 10R sat a test
Mean mark for class 10R=70%
30 students, 20 boys
Mean mark of boys 62%
Calculate mean mark of girls

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 19:30, spotty2093

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Answers: 2

continue

Mathematics, 21.06.2019 19:30, xojade

00 points ! missy’s rotation maps point k(17, –12) to k’(12, 17). which describes the rotation? 270° counterclockwise rotation 90° counterclockwise rotation 90° clockwise rotation 180° rotation

Answers: 1

continue

Mathematics, 21.06.2019 21:30, coontcakes

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

Answers: 1

continue

Mathematics, 21.06.2019 21:40, salinasroel22

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Answers: 3

continue

You know the right answer?

Class 10R sat a test
Mean mark for class 10R=70%
30 students, 20 boys
Mean mark of b...