In: Statistics and Probability
A random sample of 802 shoppers in NoFrills grocery store determined that 418 preferred the PC brand product over the main competitor's product. Test at the 10% level the null hypothesis that at least one half of all shoppers preferred the PC brand item against the alternative that the population proportion is more than 50%.
The test statistic is 1.19; the p-value is 0.117; and we fail to conclude that the PC brand is preferred to the competitor's brand.
The test statistic is 1.19; the p-value is 0.234; and we fail to conclude that the PC brand is preferred to the competitor's brand.
The test statistic is 1.19; the p-value is 0.117; and we conclude that the PC brand is preferred to the competitor's brand.
The test statistic is 1.44; the p-value is 0.234; and we fail to conclude that the PC brand is preferred to the competitor's brand.
answers are slightly different due to approximation so no need to worry about .
in given question option (A) is correct
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