Explain why the total area of the region between z = -3 and z = 3 is 9974 or 99.74%?

Q: According to a 2009 Reader's Digest article, people throw away about 8% of what they buy at the…

A: From the provided information, People throw away about 8% of what they buy at the grocery store that…

Q: In the last 100 years, there have been 93 earthquakes measuring 6.0 or more on the Richter scale.…

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Q: Find the probability that a randomly chosen point in the figure lies in the shaded region. Give…

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Q: You decide to record the hair colors of people leaving a lecture at your school. What is the…

A: Given that, Blonde Red Brown Black Gray 20 46 19 49 50 Total persons = 20+46+19+49+50…

Q: A circular spinner is divided into 20 equal sections, each represented by a number from 1-20. Solve…

A: If the circular spinner is spins then the probability of landing each number from 1 to 20 is 1/20

Q: The mean number of boxes shirts purchased from a souvenir store per week is 5. Find the probability…

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Q: Pls assist with the difference table probability question.  Thanks

A: We have to find next term.

Q: What is the distribution of X? X N( Is 1936 a population mean or a sample mean? Select an answerv…

A: According to our guidelines we are solving only first three sub-parts of a question and the rest…

Q: The sample means in a sampling distribution are 78,79,76,78,80,80,78 and 76. What is the probability…

A: The sample means are ,  78 , 79 , 76 , 78 , 80 , 80 , 78 Total number of numbers = 7 Number of 78 is…

Q: Write the probability distribution for X.Write your answer in fraction form or round to 3 decimal…

A: It is given that, There are 7 cameras in the box out of which 3 cameras are defective and 4 are…

Q: You select a card from the standard deck of cards.  What is the probability that you will select a…

A: In a deck of cards Face cards = Jack, queen and king Total face cards = 3 x 4 = 12 Number of 8 cards…

Q: For a fundraiser, 1000 raffle tickets are sold for $2 each with a chance to win $200 in cash. You…

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Q: A skating rink attendant monitored the number of injuries at the rink over the past year. He tracked…

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Q: What is the probability that 8 adults selected at random from the town all have health insurance? G

A: It is given that the random variable X i.e, health insurance follows Binomial distribution with…

Q: 6. What is the probability that no more than 76 U.S adults of the 160 surveyed believe solar energy…

A: (6)

Q: probability of observing at least 30 heads in 100 tosses? . Try computing the answer for a smaller…

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Q: c. What is the probability that a randomly selected tax return refund will be between $3200 and…

A: given dataμ=3142σ=926normal distribution

Q: Please provide the numerator and the denominator for the following probability examples: a. The…

A: Probability of an event:The probability of an event is the number of favourable outcomes divided by…

Q: d. What is the probability of receiving the Athletic scholarship given that you have been awarded…

A: From the given information, P(A)=0.19.

Q: Marcus rolled a number cube and recorded his results in the table. What is the experimental…

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Q: The middle .975 area of the z distribution is between what 2 numbers?

A: Given that,z distribution is used.Area = 0.975

Q: te the table below and find the mean of the probability distributio

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: What is the probability that a consumer we select randomly either spends 0-2 hours shopping on the…

A: The probability that a consumer we select randomly either spends 0-2 hours shopping on the internet…

Q: c. What is the probability that the sample mean is between 2.70 and 2.74 inches? P(2.70 <X<2.74) =D…

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Q: Find the probability of selecting either a non-smoker or a woman when you select a person at random…

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Q: d. What is the probability that the sample mean is more than $18 million? (Round "z" value to 2…

A: Given that population size N = 591, sample size n=38, population mean (μ)=$12.20 million and…

Q: What is the probability that a random Mt. San Antonio College student has a GPA less than 3.6? Use…

A: from the above graph we can notice that μ =3 and σ =0.3  let us consider x= GPA of  Mt. San Antonio…

Q: (d) What is the probability that a player contests 4 or more opponents in a game? Round your answer…

A: Given Information: The probability of defeating each opponent is 0.80 Success with any opponent is…

Q: Vhat is the probability that Dis at least 15050 kg/day Does the probability of D greater than the…

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Q: Find the probability that an Emotional Health Index Score is 82.7. 69. Find the probability that an…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Julia has eaten 12 doughnuts over the past few months. Of those doughnuts, 2 were maple doughnuts.…

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Q: Given a bag with 13 red marbles, and 42 blue marbles, what is the probability of pulling two…

A: There are 13 red marbles and 42 blue marbles.

Q: The time to fly via a commercial airliner from Newark airport to Atlanta follows a uniform…

A: We have to find out given probability..

Q: 3 letters are typed, without repetition. What is the probability that all 3 will be vowels? Write…

A: Given information 3 letters are typed, without repetition There are total 26 Alphabet. Number of…

Q: Find the probability that a randomly chosen point in the figure fies in the shaded region. Give…

A: Find the probability of the point chosen in the shaded region.

Q: The probability of an alarm clock failing is 4.7%.  What is the probability of two such alarm clocks…

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Q: Find the probability (in percent) of randomly selecting someone who has an allergy or test negative.

A: We have a given table and using this table we have to find the probability that who has an allergy…

Q: What is the probability that the mean weight of the oranges in the sample lies between 118g and…

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Q: Determine the probability of obtaining a total score of 6 or 7 on a single throw of two dice. The…

A: From the provided information, Two dice are thrown. Total outcomes = 36

Q: A box contains 20 crayons. There are 7 red crayons, 5 yellow crayons, and the rest are blue crayons.…

A:

Q: You are playing Farkle. What is the probability to roll exactly 100 points in one roll?  Round the…

A: The probability to roll exactly 100 points is by 1 dice. The sample space for the dice is…

Q: The probability distribution below shows the number of kittens in a litter?

A: Let X be a sample space of discrete random variables. We shall use the following facts : i) ∑x∈X…

Q: what is the probability of flipping a coin 112 times and getting heads 3 times? round your answer to…

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Q: c. The probability that the the child will be older than 5 years old? d. The probability that the…

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Q: What is the probability that a point lies in the shaded region? Express the probability as a…

A: To find the probability that a point lies in the shaded region:

Q: A door delivery florist wishes to estimate the proportion of people in his city that will purchase…

A: 19)Given data,p=0.06n=276P(p&gt;0.1)=?

Q: the table below is the information about integrated circuit (IC) failure based on  chip…

A: Given Data : We need to calculate the probability of failure.

Q: Suppose you go to the grocery store and spend $61.85 for the purchase of 14 items. What is the mean…

A: 6. The mean is the average value of the data set and is computed by summing up all the observations…

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.