Question 1
Question (a)
Hemang buys two televisions.
The probability that a television is faulty is 0.02 .
Question (i)
Complete the tree diagram.
Question (ii)
Find the probability that Hemang buys two faulty televisions.
Hemang buys two televisions.
The probability that a television is faulty is 0.02 .
Complete the tree diagram.
0.02, 0.98, 0.98, 0.02, 0.98 oe
B1 for 0.98 correctly placed once on tree or for 0.02 correctly placed twice on tree.
Find the probability that Hemang buys two faulty televisions.
0.0004 oe
M1 for 0.02×0.02
The Venn diagram shows information about the number of students in a class who like apples ( A ) and bananas ( B ).
One of the students is chosen at random.
Find the probability that this student does not like apples and does not like bananas.
314 oe
FT their (a)(i)4.
Mario sells ice creams in five flavours.
The table shows the relative frequency of some of the ice cream flavours Mario sells.
Mario sells three times as many chocolate ice creams as banana ice creams.
The probability that any customer is an adult is 0.7 .
First customer
(a)
Complete the tree diagram.
Second customer
(b)
Find the probability that the first two customers are adults.
(a) Correct complete tree diagram: 0.3,0.3,0.3.
(b) 0.49 oe.
M1 for 0.7×0.7 oe.