Accorfing to 2013 study by the pew research center, 85% of adults in the united states use the internet ( Pee research center website, december 15,2014). Suppose that 10 adults in the united states are selected randomly. a) is the selection of the 10 adults a binomial is a binomial experiemnt? Explain. b) what is the probability that jone of the adults use the internet? c) what is the probability that 3 of the adults use the internet? d) what is the probability that at least 1 of the adults uses the internet? e) what is the probability that fewer than 8 of the adults use the internet?

Q: 780% of the managers in an international company have traveled abroad, 35% of them can speak foreign…

A:

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: A single, fair 6-sided die is tossed. Find the odds in favor of rolling a 5. What are the odds in…

A: roll a 6 sided die possible outcome : {1,2,3,4,5,6} odds in favor of rolling a 5 = ?

Q: 9) Determine whether the given procedure results in a binomial distribution. If not, state the…

A: given statement: spinning a roulette wheel 7 times, keeping track of the winning numbers.

Q: According to an​ airline, flights on a certain route are on time 7575​% of the time. Suppose 1717…

A: It is given that the 75% of the lights on a certain route are on time. The randomly selected sample…

Q: Suppose a Stat 1450 web class has 15 males (8 are also students at OSU) and 12 females (7 are also…

A: Provided information is ; total number of students = 15 males + 12 females…

Q: 22) A box of electronic equipment contains 125 computer chips, three of which are defective. Five…

A:

Q: Based on a poll, 40% of adults believe in reincarnation. Assume that 8 adults are randomly selected…

A: Given: p=0.4n=8

Q: Approximately 10% of all people are left-handed. Consider 12 randomly selected people. a) State the…

A: by bartleby policy i can gives only 3 subparts answer at a time :

Q: In a work place that has 50 members, 30% are fluent in two or more languages.  Three people are…

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Q: Suppose that 71% of the surface of the Earth is covered in water, and a random number generator uses…

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Q: 60% of all bald eagles survived their first flight. If 25 randomly selected bald eagles are…

A: Given: Sample size, n = 25 Probability that bald eagles survived their first flight p = 60% =…

Q: ator is used to select an integer from 1 to 100 (inclusively). What is the probability of selecting…

A: Total integer the random number generator can select = 1 to 100 = 100     The probability of an…

Q: The lottery system in Hungary uses the random selection of 7 integers from a group of integers…

A: Favorable cases = 7 integersTotal cases         =9 integers

Q: Suppose that 46% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: based on a Harris poll among adults who regret getting tattoos 20% say that they were too young.…

A: Binomial distribution :  Binomial distribution describes the possible number of events occurs in…

Q: Assume that when adults with smartphones are randomly​ selected, 63​% use them in meetings or…

A:

Q: One card is randomly drawn from a standard deck of 52 cards as shown in the figure belowUsing the…

A: the sample space with 52 digits cards includes with,13 spades13 clubs13 hearts13 diamonds

Q: a) (An BC) and Ccn (AUB). b) The probability of getting an even number? c) The probability of…

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Q: Assume that when human resource managers are randomly​ selected, ​52% say job applicants should…

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Q: Do you own a cell phone? Yes No Total 12 77 404 481 Grade 11 16 122 138 Total 93 526 619

A:

Q: Assume that when adults with smartphones are randomly​ selected,53​% use them in meetings or…

A:

Q: 619 Students from grade 11 and grade 12 of Yorktown School are randomly selected. Selected are asked…

A: The data set is: Have a cell phone Yes No Total Grade 12 77 404 481 Grade 11…

Q: assume that when adults with smartphones are randomly selected, 44% use them in meetings or classes.…

A:

Q: A machine that manufactures automobiles parts produced defective parts 15% of the time. If 9 parts…

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Q: Thirteen cards are dealth to a player from a standard 52 card deck. find the expected number of…

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Q: Assume that when adults with smartphones are randomly​ selected, 58 ​% use them in meetings or…

A: Given that adults with smartphones are randomly​ selected, 58 ​% use them in meetings or classes.…

Q: A manufacturing machine has a 5% defect rate. If 5 items are chosen at random, what is the…

A: Obtain the probability that at least one will have a defect.   The probability that at least one…

Q: identifying the sample space for a couple having four​ children, find the probability of getting…

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Q: If you chose one adoption at random What is the probability the adoption was from China What is…

A:

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.