-(ii) If the wage of 15 workers for 6 days is 9450, the wage of 19 workers for
5 days is

9975

Step-by-step explanation:

wage per worker day = 9450 / (15*6) = 105

wages for 19 workers 5 days = 105 * 19 * 5 = 9975

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:

12

step-by-step explanation:

12 + 5 = 17

12x2=24

24-7=17