there is 1,000 cm3 of aluminum available to cast a trophy that will be in the shape of a right square pyramid. Is this enough al
2 answers:
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The z-score for 5 minutes is found from:
Reference to a normal distribution table shows that the cumulative probability for a z-score of 1.667 is around 0.9522.
Therefore the probability that a conversation lasts for longer than 5 minutes is:
1 - 0.9522 = 0.048 to 3 d.p.
Reference to a normal distribution table shows that the cumulative probability for a z-score of 1.667 is around 0.9522.
Therefore the probability that a conversation lasts for longer than 5 minutes is:
1 - 0.9522 = 0.048 to 3 d.p.
Answer:
226 cubed foot (rounded to 3 s.f.)
Step-by-step explanation:
Volume of cyclinder: × r² × h
Volume of cylindrical tank = × 3² × 8
= 72
= 226 cubed foot (rounded to 3 s.f.)