Answer:
Step-by-step explanation:
1. The probability that your mail is delivered before 2 pm is 0.9, so the probability that the mail is delivered at 2 pm or after 2 pm (so not before 2 pm) is 1-0.9=0.1.
Remark: 0.9=9/10=90/100=90%, and 0.1 is 10%
2. Probability of the mail being delivered before 2 pm for 2 consecutive days is
3. take a look at the picture attached, the tree diagram is another method we could use.
4 because if you round to 2 and .5, then it would be easier to tell
(x-1)(x^3+x^2+x+7) is your answer.
Answer:
hannah gets £56
Step-by-step explanation:
z : h
3 : 7
24 : ?
24/3 = 8
8 x 7 = 56
£56
hope this helps
brainliest plz?
x
