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A research center claims that at least 46% of adults in a certain country think the government is not aggressive enough in pursuing people who cheat on their taxes. In a random sample of 700 adults from that country, 39% say that the government is not aggressive enough in pursuing people who cheat on their taxes. At α= 0.01, is there enough evidence to reject the center's claim? Complete parts (a) through (d) below.
(a) State H0 and Ha.
(b) Find the criticalvalue(s).
(c) Find the standardized test statistic z.
(d) Decide whether to reject or fail to reject the null hypothesis and interpret the decision.
Acknowledging that some bias is inevitable when information is required on such short notice, which of the four methods would you recommend that the television station use to get the information it desires? Explain.
If it is known that Trish drew at least 1 black card, what is the probability that she drew no more that 2 black cards? Hint: Use your table from part (a)
testing the difference between two means.bull what two assumptions must be met when you are using the z test to test
Great Plains Roofing and Siding Company inc, sells roofing and siding products to home repair retailers, such as Lowe's and Home Depot, and commercial contractors.
Research shows that 14.3% of persons 20-25 years old and 59.9 % of persons 60-65 years old vote. What is the absolute increase from the younger group to the older group to the nearest point?
Teacher asked each of her students how many novels they had read in previous six months. Results are shown below. Create the frequency table for the number of novels read.
Total square footage (X4) (columns in the data file are in that order). (a) Obtain the scatter plot matrix and the correlation matrix. Interpret these and state your principal findings.
Use Hypothesis testing to compute te correlation between these two variables and these it for significance. Test at .01 level of significance.
Researchers testing a new medication find that 7% of users have side effects. To how many pa- tients would a doctor expect to prescribe the medication before finding the first one who has side effects?
Calculate the mean of a gamma G(4.3, 6.2) random variable using- Accept-Reject with a gamma G(4, 7) candidate;- Metropolis-Hastings with a gamma G(4, 7) candidate;
for the dataset test if there is a difference in mean premiums in the provinces between 2004 and 2005 using ? 0.01 and
If, in a separate visit to the restaurant, the journalist is accompanied by three colleagues who also order a hamburger, what is the probability that at least 2 of these 4 customers will receive a hamburger that had a precooked weight greater than..
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