Answer:
i need the question
Step-by-step explanation:
The probability that a student selected at random majors in engineering is 30% which is 0.3.
The probability that the student both majors in engineering and play club sports is 10% which is 0.1.
For a student who is selected at random to be one who majors in engineering, there are two possible ways.
The student majors in engineering OR the Student both majors in engineering and plays club
The Probabilty that the student majors in Enginnering =
The probability that the student majors in engineering plus the probability that Student both majors in engineering and plays club sport
= 0.3+0.1= 0.4
100 x 100............. = 10 000
The number of letters is 26 in the English alphabet.
The number of digits from 0 ... 9 is 10
Therefore he can create 26 * 10 = 260 different passwords. <<<< Answer
