Help me on my fractions theres a photo
2 answers:
Answer:
Step-by-step explanation:
-we need to change the mix number fractions in improper fractions
-find the common denominator so we can add the fractions
-simplify the fractions whenever possible
-convert it back in a mix number
Obs.
Remember that the order of operations requires us to do multiplication first and then addition.
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Answer:
The required probability is 0.031918.
Step-by-step explanation:
Consider the provided information.
It is given that According to an article in The Wall Street Journal, this theory held for 22 out of the last 34 years.
Therefore n=34
The probability it is either up or down is 0.5.
Thus the value of p =0.5 and q = 0.5
Now calculate the probability
Let X is the number of years that theory held.
X has a binomial distribution with n=34 and p=0.5
Hence, the required probability is 0.031918.