A biased coin with P({head})=0.6 is tossed three times. Let the binomial random variable X represent the number of heads obtaine
d on any triple toss. Find (or sketch) the PMF of X.
2 answers:
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Answer:
height of the tree is 30 feet
Step-by-step explanation:
a tree casts a shadow 42 feet long . at the same time, a person 5 feet tall casts a shadow 7 feet long.
shadow of a 5 feet tall person is 7 feet long
Let x be the height of the tree
shadow of a 42 feet tree is x feet long
Make a proportion
cross multiply
divide by 7 on both sides
x=30
So height of the tree is 30 feet