If the p-value on a coin flip experiment is .89. What would you conclude?

Q: What is the  p-value for a sample of 220 undergraduate students with a sample mean credit card…

A: b)

Q: 21% of deaths among male adults can be attributed to heart diseases. Is this percentage different…

A: Given that : 21% of deaths among male adults can be attributed to heart diseases. Is this percentage…

Q: If the z statistic value calculated is -1.49, what is the p-value

A: Hello! Thanks for the question. There is no information about the tail of the test. We are providing…

Q: What is the alternative hypothesis in the problem? The average family family size in the Philippines…

A: Given The average family size in the philippines was reported as 4.30 Mean=μ=4.30 l.o.s.=α=0.10

Q: 4. Thirty-five percent of adult Americans are regular voters. A random sample of 250 adults in a…

A:

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In poll,…

A:

Q: An article in a newspaper states that the proportion of traffic accidents involving road rage is…

A: An article in a newspaper states that the proportion of traffic accidents involving road rage is…

Q: the unemployment rate for 18- to 34-year-olds was reported to be 10.8% (the CincinnatiEnquirer,…

A: a.

Q: A finance blogger is writing an article about credit card use. As they write their article, the…

A: If P-value ≤ α, reject H0. If P-value > α, do not reject H0.

Q: A political scientist claims that 38% of first-year college students characterize themselves as…

A: The hypothesized proportion is 0.38, n=500 and x=215.

Q: A financial advisor believes that the proportion of investors who are risk-averse (that is, try to…

A:

Q: If the p-value on a coin flip experiment is .002. What would you conclude?

A: Result When p value are too small then we reject the null hypothesis When p value> ɑ, then we…

Q: Radio Shack reported that they sell 21% of all home computers. a) Is this claim supported at the 1%…

A: GivenNo. of computers (n)=700x=120p^=120700=0.171α=0.01

Q: Which do you think would have more variation: the GPA's of students in an honors college with a…

A: There are two cases: 1. the GPA's of students in an honors college with a prestigious university, 2.…

Q: In a poll of 1000 randomly selected voters in a local election, 291 voters were against school bond…

A: From the provided information, Sample size (n) = 1000 291 voters were against school bond measures…

Q: USA TODAY† reported that "American women favor Kate Middleton as a shopping buddy over Michelle…

A: Experimental study: In experiment study, we assign people or groups of people and apply some…

Q: In another Harris poll, adults were asked if they are in favor of abolishing the penny. Among 200…

A: From the given information,                        Sample size (n) =200 Probability of success…

Q: how importan

A: The five steps to sampling are: Identify the population. Specify a sampling frame. Specify a…

Q: If you are taking a random sample from a normal population with  a population mean = 100 and…

A:

Q: the unemployment rate for 18- to 34-year-olds was reported to be 10.8% (the CincinnatiEnquirer,…

A: From provided information, the unemployment rate for 18- to 34-year-olds was reported to be 10.8%.…

Q: an independent-samples t test, you will usuall

A: the test statistic for independent-samples t test = μ1-μ2-0combined standard deviation

Q: If you draw a random sample of 100 scores from a large population of test scores and compute the…

A: As we increase z value, corresponding probability of occurence decreases. hence, The event among…

Q: In order manufacturer is claiming that its new 2021 SUV model will have better gas mileage than the…

A: (a) The null and alternative hypothesis is, H0:u=30H1:u>30              (right tailed/one tailed)…

Q: A fire insurance company thought that the mean distance from a home to the nearest fire department…

A:

Q: A professor found out from a senior professor that engineering students in Harp University tend to…

A: Given information: μ=1.50x¯=1.35s=0.50n=9α=0.10

Q: What is the sample space for an experiment?

A: An experiment is an activity which has observable values. The results obtained from the experiment…

Q: Assume you did an experiment with 3 groups and 16 subjects per group. The sample variances in the…

A:

Q: 4. Suppose a researcher sets a=.05 for a statistical test but then changes it to .01. Will she be…

A: Here  we researcher sets  α=0.05  for a statistical test but then changes it to 0.01

Q: Would it be unusual to find a pair of samples in which the proportion of males who are left-handed…

A: Consider that n1 and n2 are defined as the sample sizes for males and females, respectively.

Q: When performing test on 3₁ (for liver), what is the p-value? [Select] what is the decision on the…

A: (a). p-value for liver is 0.134790 from the first table.  (b). p-value for liver is 0.134790 which…

Q: What percentage of Contra Costa County adults supports a ban on assault-style weapons? Suppose that…

A: Since, we answer only up-to three subparts, we'll be answering the first three subparts. Please re…

Q: In 2002, the General Social Survey Conducted by StatsSa, participants was asked the following…

A: According to given information we determine the following The null and alternative hypothesis will…

Q: Given a P-value between 0.01 and 0.05, what conclusion should you draw at the 5% level of…

A: here given ,  p- value is Between 0.01 and 0.05  significance level = alpha = 0.05

Q: Twenty years ago, 47% of parents of children in high school felt it was a serious problem that high…

A: Given that  Sample size n =900 Population proportion p=47%=0.47

Q: Twenty years ago, 52% of parents of children in high school felt it was a serious problem that high…

A: The value of p0 is 0.52 and the sample size n is 800.

Q: Twenty years ago, 54% of parents of children in high school felt it was a serious problem that high…

A: Given n=850 P0=0.54 so n*P0(1-P0) = 850*0.54*(1-0.54) =211.1

Q: Twenty years ago, 53% of parents of children in high school felt it was a serious problem that high…

A:

Q: Does having a non-significant P-value means that the means of the sample will be the same? explain

A: The hypotheses for the means is constructed as: H0: The means of the sample will be the same. H1:…

Q: What is the p-value for a sample of  100 undergraduate students with a sample mean credit card…

A:

Q: A national organization that conducts research on the cost and quality of health care in the U.S.…

A: A national organization that conducts research on the cost and quality of health care in the U.S.…

Q: Twenty years ago, 53% of parents of children in high school felt it was a serious problem that high…

A: 10.2.21-T

Q: A political scientist claims that 38% of first-year college students characterize themselves as…

A: The hypothesized proportion is 0.38.

Q: 586 students participated in a study that aims to determine if the level of self-esteem is…

A: The purpose of study was to check the association  between level of self-esteem and  the levels of…

Q: It is claimed that the mean household size in the River Terrace neighbourhood is 3.5 persons. A…

A: Test is that whether the mean household size in the River Terrace neighbourhood is 3.5.

Q: A fire insurance company thought that the mean distance from a home to the nearest fire department…

A: Given that  Mean distance = 4.5 miles  Number of samples = 52  resulting sample mean = 3.7

Q: A radio talk show asks listeners to call in and say whom they are going to vote for in the next…

A: According to the provided information, a radio talk show asks listeners to call in and say whom they…

Q: If the p-value on a coin flip experiment is .67. What would you conclude?

A: Given that p-value = 0.67

Q: What is the probability that the mean balance for the selected sample is above $295? What is the…

A: n = 200 mean = 300 s = 56

Q: Determine whether the statement describes a descriptive or inferential statistic. 59 % of all…

A: Explanation: It is given that 59% of all students at the local university eat out more than twice a…