A market research firm conducts telephone surveys with a 38% historical response rate. What is the probability that in a new sample of 400 telephone numbers, at least 150 individuals will cooperate and respond to the questions? In other words, what is the probability that the sample proportion will be at least 150 = 0.375? Calculate the probability to 4 decimals. Use z-table. 400

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

A:

Q: Summary Output: Excel Observations 99 ANOVA df SS Regression 0.114459 Residual 97 8.409453 Total 98…

A: Obtain the value of coefficient of correlation.   The value of coefficient of correlation is…

Q: The table summarizes results from 985 pedestrian deaths that were caused by automobile accidents.…

A: Given, 985 deaths were caused by automobile accidents. Driver intoxicated Pedestrian intoxicated…

Q: The opera theater manager calculates that 32 % of the opera tickets for tonight's show have been…

A: Given: Sample size, n = 446 32% of the opera tickets for tonight's show have been sold Proportion =…

Q: A consumer group surveyed 146 airplane travelers after a flight and found that 132 of them would fly…

A:

Q: Suppose the probability of the irs audit was 5.3 percent for US citizens who file and who earned…

A: It is an important part of statistics. It is widely used.

Q: A poll showed that 68.5% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: Given information- Percentage of Americans believe that Marilyn Monroe had an affair with JFK =…

Q: In a recent survey, 303 out of 350 residents of Salem, MA said they are planning on passing candy…

A: here given ,  303 out of 350 residents of Salem, MA said they are planning on passing candy during…

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: 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: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: It is given that,

Q: What is the probability that a student selected randomly either preferred Obama or is an…

A:

Q: According to a 2009 Reader's Digest article, people throw away about 7% of what they buy at the…

A: Given: Population proportion (p) = 7%  = 0.07    Sample proportion                  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: Current estimates suggest that 70% of the home-based computers in a foreign country have access to…

A:

Q: Within what interval would you expect the sample mean to fall, with 98 percent probability?

A:

Q: A scientist claims that 8% of viruses are airborne. If the scientist is accurate, what is the…

A: Given information:Sample proportion (p) = 8%                                     = 0.08Sample size…

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: The table summarizes results from 983 pedestrian deaths that were caused by automobile accidents.…

A: Multiplication rule is : P(A and B)=P(A)*P(B) Given data is : Driver  intoxicated Pedestrain…

Q: If you wanted to estimate the probability that a household in Winona has a Roku hooked up to at…

A: Firstly we need the data of total number of devices in the household that roku can be hooked up to.…

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

A: Given Information: According to a 2009 Reader's Digest article, people throw away approximately 10%…

Q: Given that 7.0% of the population of Canada have blood type O-negative, calculate the probability…

A: Given that 7.0% of the population of Canada have blood type O-negative so the probability of getting…

Q: The area model represents a carnival game. Find the probability of winning a rabbit. Round to the…

A:

Q: In a brand recognition study, 806 consumers knew of Starbucks, and 19 did not. Use these results to…

A: The question is based on a probability Given : No. of consumers who knew S = 806 No. of consumers…

Q: A quick quiz consists of a true/false question followed by a multiple-choice question with 6…

A:

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: A jar contains four times as many red marbles as blue marbles. What is the probability of drawing a…

A: Consider that there is total x blue marbles in the jar.

Q: A sample size of 50 items was drawn from a large population for inspection. The lot fraction…

A:

Q: America OnLine published a survey question. Among the 2,300 Internet users who responded, 20%…

A: From the given information, America OnLine published a survey question. Among the 2,300 Internet…

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: 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: A poll showed that 49.4% of Americans say they believe that statistics teachers know the true…

A: Let p be the probability that poll showed that 49.4% of Americans say they believe that statistics…

Q: What is the probability of being dealt two kings in a row from a deck of cards without replacing the…

A:

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: Emma loves Butterfinger bars and recently ate a bar that only weighed 58 grams. Based on the…

A: P (z < -1.67) = 0.0478Explanation:z = (x - µ)/σ = (58 - 60)/1.2 = -1.67 P (z < -1.67) = 0.0478…

Q: A poll showed that 52.7% of Americans say they believe that life exists elsewhere in the galaxy.…

A: Given, A poll showed that 52.7% of Americans say they believe that life exists elsewhere in the…

Q: The original question had percentage not probability. So what is the percentage are between 14.7 and…

A: The mean is 37.5 and the standard deviation is 7.6.

Q: The table summarizes results from 981 pedestrian deaths that were caused by automobile accidents.…

A: The data is given as-   Pedestrian Intoxicated    Driver Intoxicated  Yes No Yes 64 73 No…

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

A:

Q: An industrial designer wants to determine the average amount of time an adult spends building an…

A: Given information: Confidence level = 95% Significance level α=0.05 The given data is as follows:…

Q: A mobile phone brand has a mean time of failure that equals to 1000 days. What is the probability…

A: Its exponential distribution

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

A:

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

A: Given that,  n=93, p= 0.10 The mean and standard error of the sampling distribution of sampling…

Q: A poll showed that 68.5% of Americans say they believe that statistics teachers know the true…

A: Let X be a random variable such that : X=1,if the person believe that statistics teacher knows the…

Q: Find the probability that the proportion of the sampled adults who drink coffee daily is between .57…

A: From the above part we have μp̂ = 0.61 σp̂ = 0.0294