For the school play 40 rows of chairs are split up there are 22 chairs in each row how ma for the school play for the rows of chairs are split up there or 22 chairs in each row how many chairs are there in all

There are 880 chairs in all.

Step-by-step explanation:

Number of rows of chairs = 40

Number of chairs in each row = 22

For total number of chairs we must do the product of number of rows of  chairs and number of chairs in each row.

Total number of chairs is given by

So, there are 880 chairs in all .

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

click to let others know, how is it

0.0

0 votes

1

report

read more on -

step-by-step explanation:

answer: 30

step-by-step explanation: its 30 because im a basketball player and stephen curry hits most of his shots so if you put 30 you might make the shot goodluck