19 Answered Questions for the topic probabilities

Probabilities

08/10/21

Bead drop problem

a bead is dropped in a 6 x 13 box with a 4 x 4 square painted on the bottom. what is the probability that the bead will come to rest on the square

02/05/20

Problem about probabilities! Need help asap...

I have a problem getting probabilities, and here is my problem, I have a game which is made of72 cards consist of:4 colors,18 cards per color with two sets of 1-9 number cards per color (just like... more
Probabilities

09/30/18

probabilities

The probabilities that John will choose Physics, Chemistry and Biology in the summer semester are 0.4, 0.7 and 0.6, respectively. If John has decided to choose Physics, the probabilities of... more
Probabilities

04/13/18

Assuming the cards in the deck are randomly distributed, what is the probability that Makayla draws an ace and does not replace it, and then draws another ace?

Makayla shows her friend Nicole a deck ofcards. Assuming the cards in the deck arerandomly distributed, what is the probabilitythat Makayla draws an ace and does notreplace it, and then draws... more

Probability

A bag contains 15 identical marbles. There are 7 red, 3 blue and 5 yellow marbles. A marble is picked out at random and not replaced. A second marble is then picked out at random and not... more
Probabilities Probability Mathematics

01/26/18

Another probability question

a pupil travels to school either by MRT or by bus. Th probability that the pupil will be late for school is 1/12 if he travels by MRT and 1/9 if he travels by bus.    a) if he travels by bus on... more
Probabilities

08/15/17

What is the probability of winning a carnival prize in 30 spins if a prize is won every 7 spins?

At a carnival, Erin observed a spin-the-wheel game. She noted that in 30 spins, a prize was won 7 times. What is the probability of winning a prize?
Probabilities

02/20/17

Find the probability of drawing a red face card on the first draw,replacing it and drawing a black card on the second draw

I dont know know the probability of drawing a red face card on the first draw,replacing it and drawing a black card on the second draw  

12/29/16

Find the probability

Two cards are drawn without replacement from an ordinary deck. Find the probability that two queens are drawn.

12/29/16

How can I solve this Question? HELP ME

The given table indicates the transactions for one teller for one day. Letting Upper E1 represent "cashing a check" and Upper E2 represent "making a deposit," express P (E1'|E2') in words and find... more
Probabilities Probability

12/29/16

What is the conditional​ probability?

Two cards are drawn without replacement from an ordinary deck, find the probability that the second is not a kingnot a king, given that the first is not a kingnot a king.What is the conditional... more
Probabilities Probability

09/27/16

if 5 of these CD's are randomly selected for testing, what is the probability that the entire batch will be accepted?

with one method of a proced called acceptance sampling, a sample of items is randomly selected without replacement and the entire batch is accepted if every item in the sample is okay. The ABcD... more
Probabilities

04/12/16

if 64 cookies are in a jar 37.5% are different

how many cookie are different?
Probabilities

02/23/16

Probabilities!

A batch of 350 raffle tickets contains four winning tickets. You buy four tickets. What is the probability that you have (a) no winning tickets? (b) all of the winning tickets? (c) two winning... more
Probabilities

02/23/16

Probabilities!

In  a  study  of bumblebee  bats,  one  of  the  world’s  smallest  mammals,  the weights were normally distributed, with a mean of 2.0 grams and a standard deviation  of  0.25  gram.  Find  the... more
Probabilities Statistics

11/10/14

statistics question please help

An article indicates that 20% of male employees state that they have to pick up the slack for moms working flextime schedules. A random sample of 100 male employees working for companies offering... more
Probabilities

10/27/14

a dice and a coin are thrown together, construct a table showing all the equally likely outcomes

probabilities Question: A dice and a coin are thrown together, a. construct a table showing all the equally likely outcomes.
Probabilities

09/24/14

i have a probability question

items sold                                  Frequency          0                                              6      1                                              8      2                    ... more

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