Khlara
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Questions Answered

WalterDe:
Group Title
35 years is known to be the average age of the people in the:
a) Sample
b) City
…
 updated one year ago
 2 replies
 1 Medal
Mathematics

WalterDe:
Group Title
A random variable X has the probability distribution
value 1 2 3 4
…
 updated one year ago
 6 replies
 1 Medal
Mathematics

pakinam:
Group Title
A random variable X has the probability distribution
value 1 2 3 4
probability 0.5 …
 updated one year ago
 4 replies
 2 Medals
Mathematics

WalterDe:
Group Title
Among the participants in a survey,
30% live in the suburbs
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

pakinam:
Group Title
I roll a die repeatedly. Find the chance that the first 4 rolls all show different faces, and the 5th roll shows a face that has appeared be…
 updated one year ago
 1 reply
 1 Medal
Mathematics

APURV:
Group Title
HAVE SOLVED ALL THE 7 QUES OF MIDTERM 2...ALL CORRECT..YEPPI
 updated one year ago
 5 replies
 2 Medals
Mathematics

pakinam:
Group Title
I throw darts repeatedly. Assume that on each single throw, my chance of hitting the bullseye is 10%, independently of all other throws. I d…
 updated one year ago
 13 replies
 2 Medals
Mathematics

KABRIC:
Group Title
if 400 draws are made at random with replacement from 5 tickets that are marked 2, 1, 0, 1, and 2 respectively. Find the expected value o…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Khlara:
Group Title
A box contains 8 dark chocolates, 8 white chocolates, and 8 milk chocolates. I choose chocolates at random (yes, without replacement; I’m ea…
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

Khlara:
Group Title
I throw darts repeatedly. Assume that on each throw I have a 1% chance of hitting the bullseye, independently of all other throws. (Note tha…
 updated one year ago
 4 replies
 1 Medal
Mathematics

sanfolder:
Group Title
A die is rolled 12 times. Find the chance that the face with six spots appears once among the first 6 rolls, and once among the next 6 rolls…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

pakinam:
Group Title
A school is running a raffle. There are 100 tickets, of which 3 are winners. You can assume that tickets are sold by drawing at random witho…
 updated one year ago
 1 reply
 1 Medal
Mathematics

neusa88:
Group Title
A quiz consists of 20 truefalse questions. The score for each question is 1 point if it is answered correctly, and 0 otherwise.
1. Suppos…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

jackson24:
Group Title
Q.If you bet on “red” at roulette, you have chance 18/38 of winning. (There will be more on roulette later in the course; for now, just trea…
 updated one year ago
 5 replies
 1 Medal
Mathematics

OlivierSut:
Group Title
A random number generator draws at random with replacement from the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. Find the chance that the digit 5 ap…
 updated one year ago
 18 replies
 1 Medal
Mathematics

whatu:
Group Title
65% of males are smokers with 12 % males smoke and 7% females are smokers does that mean that 35% are female and that 53% are male non smoke…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

dimitrakis:
Group Title
An urn contains 10 white balls and 5 blue balls. Draws are made repeatedly from the urn as follows. On each draw, a ball is drawn and its c…
 updated one year ago
 6 replies
 2 Medals
Mathematics

Khlara:
Group Title
A poker hand (5 cards) is dealt. Find the chance that the cards are all of the same suit. [This is sometimes called a “flush.”]
 updated one year ago
 3 replies
 1 Medal
Mathematics

Khlara:
Group Title
There are 26 letters in the English alphabet. Letters are picked one by one at random, so that each letter has the same chance of appearing …
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

WalterDe:
Group Title
There are 26 letters in the English alphabet. Letters are picked one by one at random, so that each letter has the same chance of appearing …
 updated one year ago
 16 replies
 8 Medals
Mathematics

jidejones:
Group Title
There are six chairs in a row. Person A picks one of the chairs at random. Then Person B picks a chair at random from the five chairs that r…
 updated one year ago
 29 replies
 No Medals Yet
Mathematics

Khlara:
Group Title
A quiz consists of 10 questions. Each question is marked either “right” or “wrong.” For each student in the class, the instructor keeps a re…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics