This week, 951 people went to the beach. Last week, 1 comma 221 people went to the beach. The number of people who went to the
1 answer:
Answer:
22.11% < 25%
Step-by-step explanation:
In the last week, 1221 people went to the beach and this week 951 people went to the beach.
So, the reduction in the number of people went to the beach this week will be (1221 - 951) = 270.
Therefore, the percentage reduction in the number of people went to the beach this week will be %.
So, the percent reduction is less than 25%. (Answer)
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Answer:
0.3898 = 38.98% probability that there will be 4 failures
Step-by-step explanation:
A sequence of Bernoulli trials forms the binomial probability distribution.
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.
In which is the number of different combinations of x objects from a set of n elements, given by the following formula.
And p is the probability of X happening.
Let the probability of success on a Bernoulli trial be 0.26.
This means that
a. In five Bernoulli trials, what is the probability that there will be 4 failures?
Five trials means that
4 failures, so 1 success, and we have to find P(X = 1).
0.3898 = 38.98% probability that there will be 4 failures