Interactive practice questions
Which of the following statements is true?
In a binomial experiment, there are $n$n repeated, dependent trials.
A
In a binomial experiment, there are $n$n repeated, independent trials.
B
In a binomial experiment, there are exactly two trials.
C
In a binomial experiment, there is exactly one trial.
D
Easy
< 1min
Which of the following statements is true?
Easy
< 1min
Consider the binomial probability formula
$P\left(x\right)=\nCr{n}{x}p^x\left(1-p\right)^{n-x}$P(x)=nCxpx(1−p)n−x,
where $P\left(x\right)$P(x) is the probability of obtaining $x$x successes in $n$n independent trials.
Easy
< 1min
A particular nationwide numeracy test has a failure rate of $30%$30%.
If you randomly selected $100$100 students from across the country to do the test, how many would you expect to pass?
Easy
< 1min
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