Tema
Q:
Use the following probabilities to answer the question. It may be helpful to sketch a Venn
diagram.
\( P(A)=0.45, P(B)=0.45 \) and \( P(A \operatorname{and} B)=0.10 \).
\( P(\operatorname{not} B \mid A)=\square \)
Question Help: \( \square \) Video
Q:
2. Marque la situación en la cuál no se suscita un experimen
to determinístico.
\( \begin{array}{lll}\text { I. Lanzar una dado en el cuál cada cara tiene seis puntos. }\end{array} \)
\( \begin{array}{lll}\text { II Juegan la loteria. }\end{array} \)
Q:
Question 18
Arjun buys a bag of cookies that contains 8 chocolate chip cookies, 8 peanut butter cookies, 5
sugar cookies and 7 oatmeal cookies. What is the probability that Arjun randomly selects a
peanut butter cookie from the bag, eats it, then randomly selects a chocolate chip cookie?
Express you ansiver as a reduced fraction.
Question Help:
- Calculator
Q:
A box coittains 18 red, 14 blue, and 10 green marbles.
a) Two marbles are selected at random with replacement. Find the probability they are both
red.
b. Two marbles are selected at random without replacement. Find the probability that the first
is blue and the second is green.
c. Two marbles are selected at random without replacement. Find the probability that the first
is blue and the second is yellow.
Q:
In parts (a) and (b) consider the following two events and then determine whether the events
are independent or dependent.
(a) Event 1: Driving without a license plate, Event 2: Getting pulled over by a police officer
Dependent
Independent
(b) Event 1: You get fired from your job, Event 2: You consistently are late
Independent
Dependent
Q:
A jar contains 6 red marbles numbered 1 to 6 and 8 blue marbles numbered 1 to 8. A marble
is drawn at random from the jar. Find the probability of the given event.
(a) The marble is red
Your answer is:
(b) The marble is odd-numbered
Your answer is:
(c) The marble is red or odd-numbered
Your answer is:
(d) The marble is blue and even-numbered
Your answer is :
Q:
A poll showed that \( 45.2 \% \) of Americans say they believe that some psychics can help solve
murder cases. What is the probability of randomly selecting someone who does not believe
that some psychics can help solve murder cases.
Report the answer as a percent rounded to one decimal place accuracy. You need not enter
the "\%" symbol.
Q:
A die is rolled. Find the probability of the given event.
(a) The number showing is a 2 ;
The probability is :
(b) The numbet' showing is an even number;
The probability is:
(c) The number showing is greater than 3 ;
The probability is:
Q:
A card is drawn randomly from a standard 52 -card deck. Find the probability of the given
event.
(a) The card drawn is 5
The probability is :
(b) The card drawn is a face card (Jack, Queen, or King)
The probability is:
(c) The card drawn is not a face card.
Q:
Round your answer to 4 decimal places, if necessary.
What is the probability of pulling out:
a) a face card? \( P( \) face \( )= \)
b) a diamond or a spade? \( P \) (diamond or spade) \( =\square \)
c) a 3 or a 9 ? \( P(3 \) or 9\( )= \)
d) an ace or a heart? \( P( \) ace or heart \( )=\square \)
e) a face card or a spade? \( P( \) face or spade \( )= \)
f) a 7 or a red card? \( P(7 \) or red \( )=\square \)
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