Select all the true sentences!!!
2 answers:
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Answer:
Option C
Step-by-step explanation:
Given : Astronomers measure large distances in light years. One light-year is the distance that light can travel in one year or approximately 5,880,000,000,000 miles.
Suppose a star is 14.4 light years from earth.
To find : How many miles away a star is from earth?
Solution :
In 1 light-year the distance a light can travel is = 5,880,000,000,000 miles.
or = miles
In 14.4 lights year the distance is
or
Therefore, Option C is correct -
Answer:
Step-by-step explanation:
In this case we can calculate the probability using the binomial probability formula
Where p is the probability of obtaining a "favorable outcome " x is the number of desired "favorable outcome " and n is the number of times the experiment is repeated. In this case n = 10 and p = 0.54.
(a) exactly five
This is:
So:
(b) at least six
This is:
(c) less than four
This is: