A police officer claims that the proportion of accidents that occur in the daytime (versus nighttime) at a certain intersection is 35%. To test this claim, a random sample of 500 accidents at this intersection was examined from police records it is determined that 156 accidents occurred in the daytime. The following is the setup for this hypothesis test: Find the p-value for this hypothesis test for a proportion and round your answer to 3 decimal places. The following table can be utilized which provides areas under the Standard Normal Curve:

Q: In a survey, 43% of the respondents stated that they talk to their pets on the telephone. A…

A: Given information: Percentage of the respondents who stated that they talk to their pets on the…

Q: A research center claims that at least 24% of adults in a certain country think that their taxes…

A:

Q: A hospital administrator claims that the proportion of knee surgeries that are successful is 87%. To…

A: The provided information are:Sample size (n) = 450Hypothesised proportion (po)=0.87From the provided…

Q: According to a 2001 Reader's Digest article, S0% of physicians over the age of 55 have been sued at…

A:

Q: To determine this, you test the following hypotheses:   Select one: H0:p1=p2 vs Ha:p1p2 H0:p1=p2…

A: From the given data  Option (4) is correct to test the hypothesis  ie, Null hypothesis:H0:p1=p2…

Q: in preparation for a simulation model, a KS test has been used to check the goodness-of-fit of a…

A: Kolmogorov-Smirnov test is used for determining the sample for checking the normality.  F(x) =…

Q: shorter than 60 hours

A: For the given data : sample size, n = 10 sample mean, x̄ = 59.5 sample standard…

Q: A company claims they produce their mixed bag of candies so that, of the candies in the bag, 20…

A: Given Information:

Q: To be considered 18-karat (18K) gold, a piece of jewelry must be made of 75% pure gold. The higher…

A: It is needed to define the type I error.

Q: As a result of complaints from customers about delivery times, the manager at a pizza delivery…

A: Given that  Until now , The manager has believed the delivery time was 25 minutes.   We know that…

Q: In a survey, 43% of the respondents stated that they talk to their pets on the telephone. A…

A: Given Information: 43% of the respondents stated that they talk to their pets on the telephone. A…

Q: Once upon a time a greater proportion of males played video games than females. Kitana, Jade, Lara…

A: Given, H0 : pmales = pfemales Ha: pmales > pfemales Z=1.08

Q: A report in LTO stated that the average age of taxis in the Philippines is 12 years. An operations…

A:

Q: Biologists were studying the proportions of cats that had spotted markings on their fur in two…

A: Correct answer is  (A)

Q: A sample of 1600 computer chips revealed that 42 % of the chips do not fail in the first 1000 hours…

A: Given : population proportion , p = 39 % = 0.39

Q: A random sample of 22 American India Pale Ales (IPAS) was selected and their alcohol by volume (ABV)…

A: Given Information: Sample size n=22 α=0.10 Hypothesized value of population mean μ0=6%=0.06…

Q: Based on this information, which one of the following statements is correct?                If a…

A: We have given that  Claim: The true population proportion of adults who favour the colour purple is…

Q: A publisher reports that 48 % of their readers own a personal computer. A marketing executive wants…

A: The publisher reports that 48% of their readers own a personal computer.

Q: A newsletter publisher believes that over 63% of their readers owns a Rolls-Royce. For marketing…

A: Given: p=63% = 0.63 α=0.10 The advertiser decides to reject the null hypothesis.

Q: Two researchers are testing the null hypothesis that a population proportion p is equal to 0.30, and…

A: The given null and alternative hypotheses are: H0:p=0.30H1:p=0.30 The sample proportion for…

Q: Recently, a large academic medical center determined that 8 of 15 employees in a particular position…

A:

Q: A manufacturer of children's vitamins claims that its vitamins are mixed so that each batch has…

A: The Children’s vitamins have 4 colors which are green, yellow, red and orange. The random variable…

Q: According to a University Center for Logistics Management, 13% of all merchandise sold in the United…

A: n = 90 x = 10 p = 13% = 0.13 If you have the following null and alternative hypotheses for a test…

Q: Historically, the proportion of people who trade in their old car to a car dealer when purchasing a…

A: Solution: Given information: n= 115  Sample size  x= 46 success  p^=xn=46115=0.40 sample proportion…

Q: A tax accountant would like to test the claim that the proportion of individuals who owe when filing…

A: From the given information,  α=0.005.   Null Hypothesis:    H0: µ ≥0   Alternate Hypothesis:   Ha:…

Q: A researcher is using a two-tailed hypothesis test with α = .05 to evaluate the effect of a…

A: Determine the number of individuals in the sample. The number of individuals in the sample is…

Q: A certain financial services company uses surveys of adults age 18 and older to determine if…

A: a. Null Hypothesis: H0:p1=p2 Alternative Hypothesis: Ha:p1-p2≠0 Test Statistic: From the given…

Q: The worldwide market share for a web browser was 20.5​% in a recent month. Suppose that a sample of…

A: Given,n=240x=60sample proportion(p^)=xnsample proportion(p^)=60240=0.25population…

Q: According to MessageLabs Ltd., 80% of all email sent in July 2010 was spam. A system manager at a…

A: Let p be the population proportion  given p=80%=0.80 X=420,n=500 p^=X/n  Hypothesis Ho: p=0.80 vs…

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 32 orders that were…

A: Given values,

Q: Can you conclude that the proportion of boys who are overweight differs from the proportion of girls…

A: Here use  proportion test for 2 sample

Q: A manufacturer of children's vitamins claims that its vitamins are mixed so that ecach batch has…

A:

Q: Recently, a large academic medical center determined that 13 of 22 employees in a particular…

A:

Q: what will the sample proportion (or ) be? Please compute this value below and round your answer to…

A: We have given that  favourable cases, X = 113 Sample size, n = 310 Sample proportion, p^ = X/n

Q: adult population play video games in their leisure time. A random sample of 195 U.S. adults found…

A: Solution

Q: In a survey, 31% of the respondents stated that they talk to their pets on the telephone. A…

A: The hypothesized proportion is 0.31.

Q: A research center claims that 31% of adults in a certain country would travel into space on a…

A: To testH0:p=0.31H1:p≠0.31 where p0=0.31

Q: In manufacturing processes, it is of interest to know with confidence the proportion of defective…

A: State the hypotheses. That is, there is no evidence that the proportion of the defective parts is…

Q: The largest group of moviegoers by age is the 40- to 59-year-old age group. This group constitutes…

A: The random variable X follows normal distribution. We have to test whether the population proportion…

Q: In a poll, 248 of 362 randomly selected baseball fans stated that they thought the designated hitter…

A: a) The sample proportion is obtained below: From the given information, 248 of 362 randomly selected…

Q: A report in LTO stated that the average age of taxis in the Philippines is 9 years. An operations…

A:

Q: The National Institute of Mental Health published an article stating that in any one-year period,…

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

Q: Suppose the study described in the previous question was conducted by a colleague.  He tells you…

A: The null and alternative hypotheses are: Null hypothesis: The proportions are the same across health…

Q: In 1942, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A:

Q: The National Highway Traffic Safety Administration reports the percentage of traffic accidents…

A:

Q: A common characterization of obese individuals is that their body mass index is at least 30 [BMI =…

A: Given Information : A common characterization of obese individuals is that their body mass index is…

Q: A company claims they produce their mixed bag of candies so that, of the candies in the bag, 20…

A: given that

Q: According to a University Center for Logistics Management, 18% of all merchandise sold in the United…

A: Solution: State the hypotheses. Null hypothesis: H0: p=0.18 Alternative hypothesis: Ha:p≠0.18

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.