Assume the year has 300 days. What is the probability that in a group of n people, at least two people will share the same birthday? What is the minimum value of n so that the probability that 2 of them share a birthday is more than 1/2?

Q: If the mean number of serious accidents per year in a large factory is 4, find the probability that…

A: Obtain the probability that in the current year there will exactly 4 accidents. The probability that…

Q: If each of the letters in the word bookkeeper are written individually on one of ten pieces of…

A: The given word is “bookkeeper”.

Q: quiz has 11 multiple choice questions with each having 3 choices. Suppose a student decides to…

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Q: Suppose a jar contains 14 red marbles and 20 blue marbles. If you reach in the jar and pull out 2…

A: Given, no of red marbles=14 no of blue marbles=20 Total marbles=34 P(both are red.)=?

Q: Urn 1 contains 7 red balls and 1 black ball. Urn 2 contains 3 red balls and 1 black ball. Urn 3…

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Q: flipping

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Q: Suppose a jar contains 8 red marbles and 22 blue marbles. If you reach in the jar and pull out 2…

A: The objective of this question is to find the probability of drawing two red marbles from a jar…

Q: A cubic die was rolled 1200 times and the outcomes were recorded.  The records show each even…

A: Introduction: It is required to find the probability of each outcome n = 1, 2, 3, 4, 5, 6, when the…

Q: nd the probability that if 4 sticks are rarndomly arranged in a row, they will be arranged in order…

A: Number of ways of arranging 4 sticks will be: Total ways = 4!                 = 24

Q: Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes.…

A: It is given that the random variable X i.e, smartphones in meetings or classes follows Binomial…

Q: If 8 people are randomly selected, find the probability that no 2 of them have the same birthday.…

A: Given: Total people = 8 To find: The probability that 8 people have different birthday.

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 11 seeds are…

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Q: Three balls are selected randomly from a bag containing 4 red balls and 7 blue ones. Find the…

A: From the provided information, Red balls = 4 Blue balls = 7 Total balls = 11

Q: Assume that when adults with smart phones are randomly selected 56% of them use them in meetings or…

A: Here we need to find the required probability using the binomial distribution.

Q: Suppose a jar contains 13 red marbles and 35 blue marbles. If you reach in the jar and pull out 2…

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Q: Suppose that the probability that Bob eats an apple at lunch is 8%.  Also, suppose that the…

A: Given Information: Probability that Bob eats an apple at lunch is 8% i.e., PApple=0.08 Probability…

Q: Team A has a probability of 2 3 of winning whenever it plays. If A plays 6 games, find the…

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Q: Suppose a jar contains 20 red marbles and 35 blue marbles. If you reach in the jar and pull out 2…

A: Givena jar containsNo.of red marbles=20No.of blue marbles=35Total no.of marbles=55

Q: ssume that when adults with smartphones are randomly selected, 45% use them in meetings or classes.…

A: given data, p(use smartphones in meeting or classes)=p=0.45q=1-p=1-0.45=0.55n=8x= no. of smartphone…

Q: The probability of winning the "grand prize" at a fortune spinning wheel is p=0.2. Assume you record…

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Q: The digits 2, 3, 4, 5, 6, and 7 are randomly arranged to form a three-digit number. (Digits are not…

A: Given digits is 2,3,4,5,6,7No.of digits = 6No. of digits number to be arranged = 3

Q: Suppose each time you take a free-throw, there’s 20% chance that it will go in. You must make 5…

A: As given: There is a 20% chance that a throw will go in. Hence, P( throw) = p = 20% or 0.2 The…

Q: A die is rolled as many times as necessary until a 6. If X measures the number of the roll in which…

A: Given Information: A die is rolled repeatedly until a 6 is obtained. X denotes the number of roll in…

Q: Assume that the group has a portfolio of 6 stocks. There is a 30% chance that any one of these…

A: Given that there are 6 stocks There is a 30% chance that any one of the stocks will increase in…

Q: Suppose you have 5 marbles in a bag: 3 red and 2 black. If you reach into the bag without looking…

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Q: Assume That when adults with smart phones are randomly selected, 52% use them in meetings or…

A: Solution: Let X be the number of number of adult smart phone users use their smart phones in meeting…

Q: Assume that when adults with smartphones are randomly selected, 43% use them in meetings or dlasses…

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Q: What is the probability of rolling a number less than 4 or an odd # on a single di?

A: We have to calculate the probability of rolling a number less than 4 or an odd on a single die

Q: The probability is (Round to four decimal places as needed.)

A: It is given that the number of observations are independent with probability of success p = 45% =…

Q: ssume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or…

A: X is a random variable that such that each outcome of the random variable can be classified based on…

Q: Find the probability that a randomly selected group of four children will contain exactly three…

A: Given that  Success of probability p =1/2=0.5 Number of trials n=4 X~binomial ( n ,p)