An advertisement claims that Fasto Stomach Calm will provide relief from indigestion in less than 10 minutes. For a test of the claim, 35 individuals were given the product; the average time until relief was 9.25 minutes. From past studies, the standard deviation of the population is known to be 2 minutes. Can you conclude that the claim is justified? Find the P-value and let a=0.05
Once down to about 15, the world’s only wild flock of whooping cranes now numbers a record 237 birds in its Texas Costal Bend wintering ground. The average whooping crane egg weighs 208 grams. A new batch of eggs was recently weighed, and their weights are listed below. At a=0.01, is there sufficient evidence to conclude that the weight is greater than 208 grams? 210 208.5 211.6 212 210.3 210.2 209 206.4 209.7
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