Find the probability that less than 90% of the 84 recent graduates have an annual salary exceeding $40000.  Beyond representative sampling, what assumptions are needed to satisfy the requirements for this problem? X∼normal or n≥30 X∼normal and n≥30 X∼binomial and at least 5 successes and failures X∼binomial and both np and nq at least 5

Q: According to a 2009 Reader's Digest article, people throw away about 13% of what they buy at the…

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Q: According to the National Center for Education Statistics, 17% of all people in the United States,…

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Q: Suppose 56% of politicians are lawyers. If a random sample of size 564 is selected, what is the…

A: From the provided information, 56% of politicians are lawyers that is p = 0.56 Sample size (n) = 546

Q: A courier service company wishes to estimate the proportion of people in various states that will…

A: number of samples, n = 330 true proportion, p = 0.05 Let, p^ be the sample proportion.  Hence p^…

Q: Based on past experience, a bank believes that 7% of the people who receive loans will not make…

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Q: A courier service company wishes to estimate the proportion of people in various states that will…

A: Consider that p is population proportion of people in various states that will use the courier…

Q: What is the probability that the two sample proportions will differ by more than

A: From the given information, p=6.2%=0.062p1=10.2%=0.102n1=500p2=8.3%=0.083n2=200

Q: Suppose 56% of the students in a university are baseball players.   If a sample of 873 students…

A: Step 1: State the given data: population proportion, p = 56% = 0.56sample proportion, p̂ = 55% =…

Q: According to a 2009 Reader's Digest article, people throw away approximately 12% of what they buy at…

A: Given Data population proportion,p = 0.12 sample size n = 171

Q: 11 of the 744 digital video recorders​ (DVRs) in an inventory are known to be defective. What is the…

A: From the provided information,11 of the 744 digital video recorders​ (DVRs) in an inventory are…

Q: The amount of time, in seconds, a cashier spends with a customer during lunch time at a fast food…

A: The average amount of time spent with a customer is 160 seconds.

Q: A magazine reported that 6 percent of all drivers talk on their cell phone while driv If 300 drivers…

A: Given data, p=6% =0.06 n=300 P(0.04<X<0.07)=?

Q: 45% of Americans don’t know the sun is a star. The data is normally distributed.Find the probability…

A: Given data, p=45%=0.45 n=120 P(p>0.42)=?

Q: What is the probability that the sample proportion exceeds 0.12?

A: Given According to a 2009 Reader's Digest article. First, we need to find the standard deviation for…

Q: List two ways to identify a simple random sample.

A: Definition: Simple random sampling is defined as a sampling technique where every item in the…

Q: Suppose 56% of politicians are lawyers. If a random sample of size 564 is selected, what is the…

A: Given: 56% of politicians are lawyers that is proportion (p) = 0.56 Sample size (n) = 564

Q: A hotel manager calculates that 12% of the hotel rooms are booked. If the manager is right, what…

A: From the given information,P be the probability that hotel rooms are booked = 0.12.Sample size (n)…

Q: According to a 2009 Reader's Digest article, people throw away about 14% of what they buy at the…

A: Given data, p=14% =0.14 n=144 P(p<0.2)=?

Q: What is the probability that the sample proportion exceeds 0.12?

A: Let p be the proportion of throw away of what people buy at the grocery state. Given that p=13% =…

Q: Suppose that 20% of the cars on the road of Tashkent city are equipped with an anti-radar device.…

A: Given 20% of the cars are equipped with an anti-radar device. Sample size, n=4

Q: Suppose 59% of the students in a university are baseball players. If a sample of 632 students is…

A: The given values are:Population proportion (p) = 59% = 0.59Sample size (n) = 632Desired sample…

Q: In poker hand consisting of 5 cards, find the probability of holding 2 aces and 3 jack

A: Given Number of aces=4 Number of jacks=4 Total number of cards=52

Q: A study indicates that 80% of households have have a dog. You randomly sample 7 households. Find the…

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Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: a fast food center wants to estimate the proportion of people in its city that will purchase its…

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Q: Suppose 56% of the doctors in a hospital are surgeons. If a sample of 417 doctors is selected,…

A: given:p = population proportion p = 56% = 56/100 = 0.56 n = sample size n = 417 In order to find the…

Q: Goofy's fast food center wishes to estimate the proportion of people in its city that will purchase…

A: Consider that p is population proportion of people in its city that will purchase its products.

Q: sample of n = 80 C of I students found 16 with brown eyes. Give the numerical value of the statistic…

A: Sample size n=80Favorable cases=16

Q: According to a 2009 Reader's Digest article, people throw away about 10% of what they buy at the…

A: Given information : Population proportion = p= 10% = 0.10 q = 1 - p    = 1 - 0.10 = 0.90 Sample size…

Q: Find the probability for the sample proportion of men who experience sleep apnea to be le

A: Suppose that 20% of the population of men experience sleep apnea. A random sample of n = 64 men is…

Q: 1. A survey showed that 8% of Internet users age 18 and older report keeping a vlog. Referring to…

A: Answer)  Giventhat:- P[X=vlogger]=0.08 P[X=non-vlogger]=0.92 P[Y=young adult|X=vlogger]=…

Q: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…

A: Total (231+611)= 842 cases involved drivers that were not intoxicated.  We can pick two cases from…

Q: According to a 2009 Reader's Digest article, people throw away about 11% of what they buy at the…

A: From the provided information, Mean (p) = 0.11 Sample size (n) = 90 The standard deviation can be…

Q: Suppose 50 % of politicians are lawyers. If a random sample of size 518 is selected, what is the…

A: Consider that p is proportion of all politicians.

Q: A study indicates that 70% of teenagers have have a tattoo. You randomly sample 9 teenagers. Find…

A: The information provided in the question are as follows :  Proportion of teenagers those have…

Q: A film distribution manager calculates that 4% of the films released are flops.If the manager is…

A: The given data: Probability that the films released are flops, p = 0.04 Number of samples, n= 747…

Q: According to a 2009 Reader's Digest article, people throw away about 14% of what they buy at the…

A: Given: Sample size (n) = 135 Population proportion (p) = 0.14

Q: It is not important to collect samples randomly. True or false

A: Any sample must be collected using the random techniques. If the samples are not collected randomly…

Q: We believe that 77% of the population of all Business Statistics students consider statistics to be…

A: Let X: students who find statistics to be an interesting topic. p=0.77, n= 24 So X ~ Binomial(n=…

Q: A social scientist gathers a carefully chosen group of 20 people whom she is selected to represent a…

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