Answer:
1.7507
Step-by-step explanation:
See Image
Answer:
8600 is 100 less
3440?
Step-by-step explanation:
Answer:
3026
30
Step-by-step explanation: Average sum of the female and male's test score is the sum of expected value of each gender:

Assuming x represents the random male selected and y represents the random female selected:

3026
The average sum of their scores is 3026.
Average difference is the difference between the expected value (mean) of each gender:

1528 - 1498
30
The average difference of their scores is 30.
N=90 you have to simplify both sides then isolate the variable :)
Answer:
1 ornament per 3 hours
in 15 hours she will have 7.5 of them done