25. Suppose mass-produced needles are packed in boxes of 1000. It is believed that 1 needle in 2000 on average is substandard. What is the probability that a box contains more than 2 defectives?

Q: 4) If a baseball player has a batting average of 0.5, what is the probability that the player will…

A: Given data: Batting average=0.5

Q: What is the probability that the number on the first die is smaller than the number on the second…

A: The sample space of two dice are thrown is S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2)…

Q: What is the probability of getting at least 7 heads when 20 coins are tossed?

A: Given that, 20 coins are tossed.

Q: 15. Shasta gets the ball over the net in volleyball 70% if the time. In 16 serves, what is the…

A: Answer  p =0.70 n =16 P[x=8] =? We know that Binomial distribution: P [X=x] =nCx*[p]^x*[1-p] ^[n-x]

Q: Suppose yoyvroll a standard 6 sided die andvyou recorded the number of times that you ended up…

A: Six sided die, Recorded number of times that we ended up rolling an even number. Find probability…

Q: There are 8 black balls and 5 red balls and an urn. If 4 balls are drawn without replacement what is…

A: Given no.of black balls = 8no.of red balls = 5Total no.of balls = 13

Q: What is the probability that your best friend will order fries with her special?

A: Probability of an event occurring is defined as the ratio of the number of favorable outcomes to the…

Q: 9. One sixth of all people prescribed a medication do not take the medicine. What are the odds a…

A: Question 1: Odds of Not Taking the MedicationGiven:- One sixth of all people prescribed a medication…

Q: Planet X has 73 calendar days. What is the probability that in a room with 11 inhabitants of Planet…

A: To solve this, we can first calculate the probability that none of the 11 inhabitants share a…

Q: What is the probability of flipping 3 coins on the same side, that is getting either all heads or…

A: if three coins are than the possible outcomes are 8HHT,HTH,THH,HTT,THT,TTH,TTT,HHH

Q: outh Smoking Twò ðut 8I cquired the habit by age 14. If 400 smokers a andomly selected, find the…

A: Given X~ Binomial n=400 p=0.4

Q: What is the probability of getting at least one 6 on three rolls of a die?

A: It is an important part of statistics. It is widely used.

Q: 6. If a fair coin is to be flipped 2,500 times, find an approximation for the probability that the…

A: A fair coin is flipped 2500 times. Define the random variable, X : Number of heads in 2500 tosses.…

Q: A bag contains 3 gold marbles, 10 silver marbles, and 30 black marbles. You randomly select one…

A: Given that a bag contains 3 gold marbles, 10 silver marbles, and 30 black marbles. Total number of…

Q: What is the probability of getting exactly one head when a fair coin is tossed for 3  times?

A: GivenA coin is tossed 3 timesn=3p=12=0.5        ( head occurs once in 2 chances i.e., head or…

Q: An urn contains 5 red balls, 5 blue balls, and 5 green balls. If you randomly select three balls…

A: Number of red balls=5Number of blue balls=5Number of green balls=5Total number of balls=15

Q: 7. A student takes a 10-question, true-false exam and guesses on each question. Find the probability…

A: Solution To find the probability we will use binomial distribution.

Q: According to the National Institutes of Health, 55% of adults experience some form of lactose…

A: Let p denotes the population proportion of adults who experience some form of lactose intolerance.…

Q: An urn contains 10 red balls, 14 green balls, and 7 yellow balls. What is the probability of…

A: We have given that Red balls = 10 Green balls = 14 Yellow balls = 7 Total balls = 10+14+7 = 31

Q: What is the probability of getting 6 or more girls in 8 births

A:

Q: 4. A coin is tossed 8 times. What is the probability of getting exactly 3 heads?

A: Answer Sample size [n] =8Favorable cases [x] =3P =1/2 =0.5