(8n+1)(6n-3) please solve in quadratic formula
1 answer:
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Answer:
We have a normal distribution with a mean of 267 days and a standard deviation of 15 days. To solve this proble we're going to need the help of a calculator.
a. The probability of a pregnancy lasting 309 days or longer is:
P(z>309) = 0.0026 or 0.26%
b. The lowest 4% is separeted by the 240.74 days. The probability of pregnancy lasting 240.74 days is 4%.
Answer:
the slope is:1 the y-intercept is:3
Step-by-step explanation:
