The probability that a blue marble was drawn followed by a yellow marble is; 0.45.
<h3>Probability without replacement</h3>
According to the task content;
- It follows that the marbles were drawn without replacement.
On this note , the probability that a blue marble and yellow marble were drawn respectively is;
Read more on probability;
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The mean exists at 3 and the standard deviation exists 0.87.
Using the binomial distribution, it exists seen that the mean and the standard deviation of X exist given as follows:
<h3>What is the binomial probability distribution?</h3>
The expected value of the binomial distribution exists:
The standard deviation of the binomial distribution exists:
In this problem, the proportion and the sample size exist given as follows:
p = 0.75
n = 4
Therefore, the mean and the standard deviation exist given by:
The mean exists at 3 and the standard deviation exists 0.87.
To learn about the binomial distribution refer to:
brainly.com/question/24863377
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Answer:
90
Step-by-step explanation:
Its 630/7