An urn contains 16 numbered balls, of which 10 are red and 6 are white. A sample of 4 balls is to be selected. i) How many different samples are possible? ii) What is the probability of selecting only red balls? iii) What is the probability of selecting only 2 red balls and 2 white balls?

Q: 20) In one town, 45% of all voters are Democrats. If four voters are randomly selected for a survey,…

A: This is the case of binomial because there are only two possible outcomes, i.e., Democrats or not…

Q: Suppose you flip eight fair coins.   What is the probability of flipping exactly eight heads? What…

A: In a coin tossing the probability of getting a head and tail is equal and the corresponding…

Q: what is the probability of obtaining 8 heads in a row when flipping a fair coin? interpret this…

A: A fair coin is one which is equally likely to land on head  or on tail. So, we infer P(H) =…

Q: In a bag filled with 35 pcs. of marbles, 12 are blue, 5 are green, 3 are white, 10 are red and 5…

A: We have the following information: Total no. of marbles in the bag= 35 No. of blue marbles = 12 No.…

Q: A committee of 4 is to be randomly selected from 8 women and 10 men. What is the probability of…

A:

Q: A six person committee must be formed from a group of 6 boys and 7 girls. Determine the probability…

A: A six person committee must be formed from a group of 6 boys and 7 girls Total students = 6 + 7 = 13…

Q: Five laptops are randomly selected from a lot of 100 laptops among which 15 are defective.  Find the…

A: Answer: Given that: p=P(laptop is defective )=15/100=0.15 , n= 5 now will use Binomial…

Q: What is the probability of getting three sixes in five tosses of a die?

A: Let us denote X=the number of sixes n=sample size=5 p=probability of success in each toss=16…

Q: At your​ school, 1212​% of the class are marketing majors. If you are randomly assigned to two…

A: a)0.12 b)0.88 c)0.0144 d)0.2112Explanation:Proportion of marketing majors:p=0.12 a)The probability…

Q: 9. A bag contains 2 blue marbles and 5 red marbles. Consider drawing marbles (no replacement). Find…

A: Ans - Given, A bag contains 2 blue and 5 red marbles.          Total = 2 + 5 = 7 marbles

Q: In a small private​ school, 6 students are randomly selected from 14 available students. What is the…

A: no of ways selecting r items from n is C(n,r)

Q: 3. A coin is launched 4 times. What is the probability of "face" minus 3 times?

A: Note: As per the multiple questions rule, solving first question. Kindly repost the question and…

Q: A small plastic cup has different colored beads. It has 5 red, 2 green, 6 blue, and 4 yellow beads.…

A: The probability of a yellow = Number of yellow beadsTotal Beads=417= 0.2352   The probability of a…

Q: Q) A fair die rolled 4 times. what is probability of geeting atleast one 2 on the four rolles.…

A: Given, The dice is rolled 4 times Here, q is the probability of obtaining 2 as the dice is rolled…

Q: Pablo randomly picks four marbles from a bag of nine marbles (five red ones, three green ones, and…

A: Given,no.of red marbles =5no.of green marbles=3no.of yellow marbles=1total n.of marbles =9

Q: b. A box contains 7 balls, 2 of which are red, 3 are blue and 2 green. Suppose that 2 balls are…

A: Given information Total balls = 7 No of red balls = 2 No of Blue balls = 3 No of green balls = 2 i)…

Q: In order to conduct an​ experiment, 5 subjects are randomly selected from a group of 48 subjects.…

A: The total number of subjects is 48 and the size of the group of subjects to be selected is 5, so use…

Q: What is the probability of between 435 and 465 heads in flipping a fair coin 900 times.

A: Probability is obtained by dividing number of favourable outcome by number of total outcome. Further…

Q: In a Hospital there are  28 doctors out of which 14 are females. Suppose 2 persons are randomly…

A:

Q: The top 40 qualified applicants for a scholarship are identified and 4 are selected at random to…

A:

Q: The probability of rolling a number greater than 2 is (Type an integer or a simplified fraction.)

A: A 12-sided die is rolled. The set of equally likely outcomes is (1,2,3,4,5,6,7,8,9,10,11,12).…

Q: What’s the probability of picking at most 3 heads in 10 tosses of a coin?

A:

Q: Out 5,000 cards, 136 are blue cards. a) what is the probability that a randomly selected card is…

A:

Q: A box contains 8 marbles: 3 red, 4 blue, and 1 green. What is the probability of drawing out a blue…

A: Given data A box contains 8 marbles  3 red 4 blue 1 green

Q: One card selected from a standard deck of 52 cards. a) What is the probability that the card is…

A: in a pack of 52 cardsno.of ace cards=4no.of heart cards=13no.of face cards=12no.of number…

Q: A jury pool consists of 25 people, 12 men and 13 women. Compute the probability that a randomly…

A: A jury pool consists of 25 people Number of men = 12 Number of women = 13

Q: In a study done in my chicken coop, 82% of my birds enjoy eating earwigs. Choose 7 birds at…

A: Let X denote the number birds enjoy eating earwigs. Then X follows a Binomial distribution with n=7…

Q: You are tossing a coin 3 times. a) What is the probability of seeing 1 Tail in three trials? b) What…

A: we are tossing a coin 3 times. then sample space(S) isS={HHH,HHT,HTH,THH,TTH,THT,HTT,TTT}n(S)=8

Q: A bag of M&M's has 7 red, 5 green, 8 blue, and 2 yellow M&M's. What is the probability of randomly…

A: It is given that Number of red = 7 Number of green = 5 Number of blue = 8 Number of yellow = 2 Total…

Q: A bag of M&M's has 5 red, 4 green, 7 blue, and 8 yellow M&M's. What is the probability of randomly…

A:

Q: A bag contains 9 black, 5 red, 7white and 4 purple balls. What is the probability of choosing: a).…

A: Given,no.of black balls=9no.of red balls=5no.of white balls=7no.of purple balls=4total no.of…

Q: A jury of 6 members is to be selected from a panel consisting of 8 men and 8 women. a. How many…

A: Given :Number of man = 8 Number of females = 8 Total number of members = 8+8=16 We want to choose…