WorksheetsFinal exam review semester 1 IB math studies
Total questions: 78
Worksheet time: 2hrs 2mins
Find the probability that all flips will land on tails.
If I roll a die 30 times, it should land on '4' five times. Is this an example of theoretical or experimental probability?
Theoretical
Experimental
P(white, then purple, then black)
Two marbles are randomly drawn from a bag containing 3 purple, 1 blue, and 1 yellow marble. Given that the first marble is blue and is not replaced, find the probability of drawing a second marble that is purple.
3/5
3/4
3/20
2/5
If I am hungry then I will eat a whole pizza.
New Statement:
If I am not hungry then I will eat a whole pizza.
-74+7=
If a rooster lays a egg on a slanted roof which side will it fall?
down
up
left
there is no egg
There are 5 apples and you take 3. How many apples do you have?
5
3
2
0
What is 3/7 chicken, 2/3 cat, and 2/4 goat?
Pig
Chicago
Cow
Bacon
What is the probability that someone plays basketball?
.50
.68
.52
.46
Using a computer program, the chi-square test statistic for the commuter data is 5.37 with a P-value =0.00446. If we use a 5% sig level, what conclusion is appropriate?
Fail to reject H0;
Not enough information to answer
Reject H0; .
χ2 calculated value for the following situation.
χ2 calculated value = 6.65 do you accept or reject the Ho hypothesis?
>
>
>
What is the probability that the player will select a black ball?
0.655
0.315
0.1
0.24
How do you turn the calculator on?
press ON
press 2nd ON
press CLEAR
Solve using your calculator
-3 and -8
5 and -7
-5 and 8
4 and -8
Find the square root of 18, rounded to 3 decimal places.
4.243
4.242
9
324
Round 254.533 to 2 sig figs
254.53
2.54533
250
255
Round 254.5433 to 2 decimal places
254.54
2.545433
2.54 x 102
254
If you make an insurance claim, then your rates will go up.
This symbol,→ , means?
and
or
not
if, then
What type of logic is this table showing:
AND
OR
IF, THEN
Is the argument represented in this truth table valid or invalid?
Valid
Invalid
What is the name of that sign?
Implication
Negation
Inclusive Disjunction
Conjuction
A tautology is always
True
False
Find the final column of the truth table for p → ~q.
FTTT
FFTT
TTTT
FTFT
Find the final column of the truth table for (p → q) ∧ ~q.
FFFT
TFTT
FTFT
TTTF
Use a truth table to determine if the statement is a tautology, self-contradiction, or neither.
[(p ∨ q) ∧ ~q] → p
neither
tautology
self-contradiction
Two dice are rolled and it is recorded whether the result on each is odd or even. What is the probability both are odd?
1/4
1/2
2/4
3/4
A box contains 3 brand A batteries and 7 brand B batteries. 30% of brand A batteries are faulty and 40% of brand B batteries are faulty. A battery is selected at random and then checked to see if it is faulty. What is the probability that a faulty brand B battery is selected?
0.28
1/4
0.42
0.21
A bag contains 3 lemons and 2 limes. A piece of fruit is taken from the bag and not put back. Then a second piece is taken. What is the probability of taking exactly 1 lemon?
12/20
6/20
2/20
18/20
The probability of rain tomorrow is 1/4. If it does rain, the probability of school being closed is 2/5. If it does not rain, the probability of school being closed is 1/20. What is the probability that it rains and school is open?
3/20
2/20
2/5
1/4
Machine A makes 60% of the bottles in a factory and machine B makes the others. Machine A breaks 3% of products it produces and Machine B breaks 4%. What percentage of all bottles get broken?
3.4%
3.2%
3.5%
3.8%
.286
.625
.0922
.323
What is the probability that a student does play a sport given they do not play an instrument?
.2
.222
.10
.5
What is the probability that the person picked will be a boy given they speak german?
.727
.4
.16
.22
