Answer:
oh i know this one its 4 lm.ao
Answer:
22
Step-by-step explanation:
30 - 12 :3 ×2
30 - 4 ×2
30 - 8
22
Answer:
Probability she receives call 4times is 0.8
Step-by-step explanation:
Total outcome = 5 since 20min ÷ 4min is 5
Expected outcome is 4
Hence probability= expected outcome ÷ total outcome
Probability = 4/5 = 0.8