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1) A particular fruit's weights are normally distributed, with a mean of 339 grams and a standard deviation of 15 grams. If you pick one
1) A particular fruit's weights are normally distributed, with a mean of 339 grams and a standard deviation of 15 grams. If you pick one fruit at random, what is the probability that it will weigh between 304.5 grams and 324 grams? (If you get two values that are the same, please regenerate the problem or contact the instructor if you are unable to do so.) Answer = 2) You wish to test the following claim ( H a H a ) at a significance level of = 0.02 = 0.02 . H o : = 60.4 H o : = 60.4 H a : < 60.4 H a : < 60.4 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 19 n = 19 with mean x = 44.5 x = 44.5 and a standard deviation of s = 18.2 s = 18.2 . What is the test statistic for this sample? test statistic = Round to 3 decimal places What is the p-value for this sample? p-value = Use Technology Round to 4 decimal places. The p-value is... less than (or equal to) greater than This test statistic leads to a decision to... reject the null accept the null fail to reject the null As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the population mean is less than 60.4. There is not sufficient evidence to warrant rejection of the claim that the population mean is less than 60.4. The sample data support the claim that the population mean is less than 60.4. There is not sufficient sample evidence to support the claim that the population mean is less than 60.4
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