<p>$65\%$ of the customers in a queue to a PC fair are males. </p>
<ol class="i-list"><li><div class="list-item-paragraph">Find the probability that there first three customers are females and next three are males.</div></li><li><div class="list-item-paragraph">Find the probability that the $4^{\mathrm{th}}$ male customer is the $7^{\mathrm{th}}$ customer in the queue.</div></li><li><div class="list-item-paragraph">There are $20$ customers in the queue. Find probability that there are more than $9$ male customers and the $4^{\mathrm{th}}$ male customer is the $7^{\mathrm{th}}$ customer in the queue.</div></li></ol>
<p>There are $n$ customers waiting in another queue in the same supermarket. The probability that at least one customer is a female is greater than $0.995$. Find the minimum value of $n$.</p>

$65\%$ of the customers in a queue to a PC fair are males. 

Find the probability that there first three customers are females and next three are males.

Find the probability that the $4^{\mathrm{th}}$ male customer is the $7^{\mathrm{th}}$ customer in the queue.

There are $20$ customers in the queue. Find probability that there are more than $9$ male customers and the $4^{\mathrm{th}}$ male customer is the $7^{\mathrm{th}}$ customer in the queue.

There are $n$ customers waiting in another queue in the same supermarket. The probability that at least one customer is a female is greater than $0.995$. Find the minimum value of $n$.

Binomial Distribution

Question 2079b303

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