According to a 2009 Reader's Digest article, people throw away about 11% of what they buy at the grocery store. Assume this is the true proportion and you plan to randomly survey 163 grocery shoppers to investigate their behavior. What is the probability that the sample proportion does not exceed 0.15? Note: You should carefully round any z-values you calculate to 4 decimal places to match wamap's approach and calculations. Answer = (Enter your answer as a number accurate to 4 decimal places.)

Q: You would like to conduct a survey to estimate the proportion p of consumers who like a new brand of…

A:

Q: Use the expression in the accompanying discussion of sample size to find the size of each sample if…

A: From the provided information, Margin of error (E) = 0.06 Confidence level = 95% The Z value at 95%…

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

A:

Q: The probability of earning an A in gym class is 80%. There are 5 students who carpool together.

A: Approach to solving the question:To find the probability that more than 4 of the carpooling students…

Q: Objective: Probability involving percentages Business Weekly conducted a survey of recent graduates…

A: (1) Obtain the probability that less than 90% of the 77 recent graduates have an annual salary…

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: According to previous studies, 10% of the U.S. population is left-handed. Not knowing this, a high…

A: From the provided information,

Q: Many athletes (and their parents) worry about the risk of concussions when playing sports. A…

A: First let us sort the head circumferences (in inches) for the players on the team; No. Head…

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: A research company claims that 55% of American watch TV. You test this claim by randomly sampling…

A:

Q: According to College Board the scores on the AP History exam are normally distributed with N(72,…

A: It is given that the scores on the AP History exam are normally distributed with N(72, 7.5).

Q: recent study reported that 12% of people toss away about half of what they buy at the grocery store.…

A: From the given information we conduct Z test for proportion.

Q: A sample of 8 movie tickets had the following prices: 1 ticket at $7.50, 3 tickets at $8.50, and 4…

A: The price of 1 ticket is $7.50 The price of 3 tickets is $8.50  The price of 4 tickets is $9.40…

Q: The owner of a local bar specializing in alternative music wanted to determine the average age of…

A: t 95% confidence level, the z value is 1.96 which can be obtained by using the standard normal…

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: 9. The forecast for Monday shows an 80% chance of rain. What is the probability that it will not…

A: Probability

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: The diameter of a bull-eye is 4cm. The radius of the middle blue circle is 6cm. The radius of the…

A: Topic:- probability

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: The mean percent of childhood asthma prevalence in 43 cities is 2.41%. A random sample of 31 of…

A: Guven:Mean (µ) = 2.41Standard deviation (σ) = 1.36Sample size (n) = 31

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

A:

Q: what range of raw scores makes up the middle 40%

A: The middle 40% means, the scores lie between 30th and 70th percentile. From stand normal, z-score…

Q: It was hypothesized that there will be a difference in the average test score in Chemistry class…

A: Denote μ1, μ2 as the true average test scores in Chemistry class between high schoolers who watched…

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: 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: It was hypothesized that there will be a difference in the average test score in Chemistry class…

A: Denote μ1, μ2 as the population average test scores in Chemistry class of high schoolers who watched…

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: The table to the right is based on the assumption that 1% of breast tumors are malignant. It also…

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: Is the probability of a bowler rolling a strike higher after he has thrown four consecutive strikes?…

A: In this research problem, the researcher wants to test whether the probability of rolling a strike…

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

A: Pedestrian Intoxicated   Total DriverIntoxicated Yes No   Yes 52 72 124 No 263 591 854…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.23%. A random sample of 34 of…

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: John works as a weld inspector in a shipyard. Because he keeps track of good and poor welds, he…

A:

Q: The table summarizes results from 975 pedestrian deaths that were caused by automobile accidents.…

A: Required probability is P(pedestrian was not intoxicated or driver was intoxicated)

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…