4.28 is a decimal and not a mixed number. To write it as a mixed number you keep the 4 and put 28 over 100 then simplify.
4.28= 4 28/100 (simplify)
4 28/100= 4 14/50= 4 7/25
4.28 as a mixed number would be 4 7/25
Answer:
62.29%
Step-by-step explanation:
The probability of Aya being offered a coupon on at least one of the six days she visits the website is 100% minus the probability that she is not offered a coupon on any of the six days, which is described by a binomial probability with zero successes in six trials with a probability of succes p = 0.15.

The probability that Aya will be offered a coupon on at least one of the days she visits the website is 62.29%.
Answer:
Số tien:S =150000+(x-10)14000
Step-by-step explanation:
<span>-(28-45)
= -28 -(-45)
=-28 + 45
= 45 - 28
= 17
hope it helps</span>