Dr. Christina Cuttleman, a nutritionist, claims that the average number of calories in a serving of popcorn is 75 with a standard deviation of 7 . A sample of 50 servings of popcorn was found to have an average of 78 calories. Check Dr. Cuttleman's claim at $\alpha = 0.05$.

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The Answer of Dr. Christina Cuttleman, a nutritionist, claims that the average number of calories in a serving of popcorn is 75 with a standard deviation of 7 . A sample of 50 servings of popcorn was found to have an average of 78 calories. Check Dr. Cuttleman's claim at $\alpha = 0.05$.

Dr Christina Cuttleman, a Nutritionist, Claims That the Average Number α=0.05\alpha = 0.05α=0.05

Dr Christina Cuttleman, a Nutritionist, Claims That the Average Number $\alpha = 0.05$