A coin is tossed 7 times. Find the probability that none are tails. The probability that none are tails is (Round to four decimal places as needed.) CENA

Q: Approximate the probability that X is greater than 70 and less than 90.

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Q: Find the indicated probability. If a person is randomly selected, find the probability that his or…

A: # To find probability that a selected person having his/her birthday is in December (not a leap…

Q: three letters are selected, one after the other, from the word STEEPLEKEEPER. find the probability…

A: Given word is "STEEPLEKEEPER"Total no. of letters in the given word=13

Q: Determine if each event is independent or dependent.  Then find the probability.   A green die and…

A: roll a green die and a red die .  each die has outcome  1 to 6.  P(4 on green die and 5 on red die)…

Q: The probability that a spark plug is defective is 35%. Suppose that a person buys 7 spark plugs.…

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Q: Baseball player has .265 batting average.  Probability that he gets 6 hits in next 7 at bats

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Q: d. For the 11 people, find the probability that the average age that they learned to walk is between…

A: Mean=11, standard deviations=1.5 X ~N(11,1.5), n=11

Q: If a die is rolled one time, find the probability of getting a 5 or an odd number. 0.5 0.3 0.6 O 0.4

A: We want to tell you which one is the correct choice

Q: 6. A jar contains 10 blue marbles and 11 red marbles. Two marbles are drawn without replacement.…

A: Jar contain 10 blue marble and 11 red marble, Therefore jar contain total 21 marble, Out of 21…

Q: A student takes a ten question true false quiz but did not study and randomly guesses each answer.…

A: Given: Number of questions = 10Probability of getting correct =1/2 =  0.5 (because it is a true -…

Q: Toss a balanced dice once. Find the probability to get a 6. If you are given that even numbers are…

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Q: Someone has 11 fair coins in a red bowl . The entire bowl is dumped on a table. Find the probability…

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Q: College Courses At a large university, the probability that a student takes calculus and is on the…

A: P( takes calculus and is on the dean's list) = 0.056P(student is on dean's list) = 0.24P(taking…

Q: d. How many attempts should he expect to have before he makes a basket?

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Q: 4) A bag contains four red marbles and three blue marbles. You randomly pick a marble and then…

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Q: Find the probability of obtaining exactly one heart in four drawing from a deck of 52 cards.

A: Let p be the probability of getting heart. Then p = 13/52 = 0.25 Let X denote the number of hearts…

Q: If a family has three children, find the probability that exactly one of the three children is a…

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Q: 28) The probability that z lies between -1.10 and -0.36

A: Given, P(-1.10 < X < -0.36)  We will use z-standard normal distribution.

Q: The data represent the results for a test for a certain disease. Assume one individual from the…

A: We have to find given probability.

Q: Find the probability that x falls in the shaded area. HO 2 3 4 5 6 7 8 9 10 X

A: Given diagram,We have to find the Probability that X falls in the shaded area .

Q: Three friends go bowling. They each throw strikes 51%, 72%, and 26% of the time respectively. Find…

A: Let A be the event that first friend throw strikes  B be the event that second friend throw strikes…

Q: A school newpaper reporter decides to randomly survey 10 students to see if they will attend Tet…

A: Sample size 25% of students attend Tet festivities.

Q: Toss a coin 100 times, find the probability that a Head will appear at most 43 times

A: Let define a random variable X as, X : The number of times Head appears in experiment of tossing a…

Q: Roll a die once and record the number on the top. Find the probability of the event at the number on…

A:

Q: Suppose that the probability is 0.8 that any given person will believe a tale about life after…

A: When repeated independent Bernoulli trials are performed with success probability p and probability…

Q: Write the answer as a decimal, accurate to 4 decimal places. If a bag contains 5 green balls, 5 blue…

A: According to the given information in this question We need to find that the probability that the…

Q: Roll 12 dice simultaneously, and let X denote the number of 6's that appear. Find the probability of…

A: Let X be a random variable denotes the number of 6's. Here, X~Bin12,16. Calculate the probability of…

Q: Sams spins a spinner with 4 equal sections labels a b c and d what is the probability the spinner…

A: From the provided information, Sam spins a spinner with 4 equal sections with label a, b, and d. The…

Q: Toss a coin twice. Find the probability of getting 1 head. (In this course, I head is taken to mean…

A: given data, toss acoin twice total out comes = 22=4sample space :{HH,TT,HT,TH}we have to find out…

Q: 27) The probability that z lies between 0.7 and 1.98

A: GIVEN DATA  standard normal distributionZ~N(0,1)find P(0.7<z<1.98) = ?