Find the standard deviation of the binomial distribution for which n = 1000 and p = 0.94
2 answers:
Answer:
7.51
(rounded to 2 decimal places)
Step-by-step explanation:
The formula for standard deviation of binomial distribution is shown below:
Where is the standard deviation
n is the sample size
and p is probability of success
Given n = 1000 and p =0.94, we can plug into the formula to find the standard deviation:
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9514 1404 393
Answer:
A. no
B. no
C. obtuse
Step-by-step explanation:
For side lengths to form a triangle, the sum of the shorter two must exceed the longest.
A. 5 + 8 = 13 . . . . a line segment, not a triangle
B. 7 + 12 < 26 . . . . no closure, not a triangle
C. 11 + 15 > 20 . . . . a triangle. A picture shows it to be obtuse
You can also compare 11² +15² vs 20² ⇒ 346 vs 400. The long side is too long for a right triangle, so the triangle must be obtuse. (The Pythagorean theorem tells you a right triangle with those legs would have a long side of √346 = 18.6.)
