Ask Question
4 December, 16:33

The weights of steers in a herd are distributed normally. the variance is 40,000 and the mean steer weight is 800lbs. find the probability that the weight of a randomly selected steer is between 917 and 980lbs. round your answer to four decimal places.

+5
Answers (1)
  1. 4 December, 17:18
    0
    0.0952 or 9.52%.

    Step-by-step explanation:

    The standard deviation = √ (40,000) = 200.

    Z-scores are 917 - 800 / 200 = 0.585 and

    980 - 800 / 200 = 0.90 ...

    From the tables the required probability =

    0.81594 - 0.72072

    = 0.09522 (answer).
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “The weights of steers in a herd are distributed normally. the variance is 40,000 and the mean steer weight is 800lbs. find the probability ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers