Answer:
A) 5
Step-by-step explanation:
(10sqrt(51)x)/(2sqrt(51)x)=5
Answer:
2.25, 2, 4.75 I am not sure if it is correct tho
Step-by-step explanation:
the frist row shows 5 6 so basically it would be r = y + 1 (red paint being r and yellow paint being y)
1.25 + 1 + 2.25
3 - 1 = 2
3.75 + 1 = 4.75
and for part be may I know the options?
English translation:
If the quality control manager wants to estimate the average life of lamps with 20 hours, with a confidence level of 95% and an error of 10% is assumed. What is the sample size?
