2. Anna and Bill are set to fail their maths exam because they are not good attenders at
school On a particular day.
P(Anna attends school)
P(Bill attends school) =
- Complete the tree diagram below.
Anna
Bill
Probabilities
Attends
Doesn't
Attend
Find the probability that:
a) Neither is at school
b) At least one of them is at school
P(neither attends) =
P(at least one attends) =

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Adan has decided to purchase an $9000 car. he plans on putting 20% down toward the purchase and financing the rest at 7.9% interest rate for 3 years. find his monthly payment a) $225.29 b) $298.81 c) $204.78 d) $236.89

Analyze the solution below. 7 3 x = −2 7 3 x(3 7 ) = −2(3 7 ) x = − 6 7 what property was used to solve the equation? property of opposites division property of equality addition property of equality multiplication property of equality