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on: Read and understand the given statements below. Beside the numb
bothesis and H1 if an alternative hypothesis.
In 2015, it was recorded that around 34% of the population in 2015
d a random sample of 500 couples. He found that 18% of them were
nificance level if the current percentage of unmarried couples is differe
1. The current percentage of unmarried couples is different from 349
2. The current percentage of unmarried couples is 34%.
A chemist invented an additive to increase the lifespan of rechargea
on average the battery's lifespan to 48 months.
3. The average lifespan extension of rechargeable battery is not 48
4. The average lifespan extension of rechargeable battery is 48 mon
No. 2​