Total number of bulbs tested, N = 445
Number of bulbs that lasted more than 500 hrs, x = 316
Point estimate of bulbs that lasted more than 500 hrs = x/N = 316/445 ≈ 0.71 = 0.71*100 = 71%
Answer:
please look at the attached picture and I hope you understand because I made it really easy to understand
So the ratio is 100:60 and that simplified is 5:3. for every 5 blue there is 3 red
Answer:
4(3 + 2x)(-3 + 2x)
Step-by-step explanation:
Answer:
Step-by-step explanation:
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