The answer is going to be C
The sample was 10 numbers.
4 of the numbers are less than 301.
So 4 out of 10 would be defective.
4/10 = 0.4 x 100 = 40%
He would expect 40% to be defective.
I think it’s 3 not sure tho because i forgot most things about it
0.04x10^5
move decimal 5 TIMES TO THE RIGHT.
0.04000
12345
4000
I hope this helps;)