ale414141
01.02.2021 •
Mathematics
On a given day, the proportion of workers from Company B who purchase a coffee from the company cafeteria is 0.62 and the proportion of workers from Company C who purchase a coffee from the company cafeteria is 0.71. A random sample of40 workers was selected from Company B and another random sample of 40 workers was selected from Company C. The proportion of workers from Company B who purchased coffee was
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Ответ:
the proportion of workers from company B who purchsed coffee was pˆC=0.75
Step-by-step explanation:
Ответ:
23.34
Step-by-step explanation:
4% of 19.13 = .77
18% of 19.13 = 3.44
3.44+.77 = 4.21
19.13+4.21 = 23.34