1 True or False JUSTIFY EACH ANSWER please a The normal dis

1. True or False. JUSTIFY EACH ANSWER please!!!!!!!!!!!!! :)

(a) The normal distribution curve is always symmetric to 0.

(b) If the variance from a data set is zero, then all the observations in this data set are identical.

(c) P(A OR A complement ) =1

(d) In a hypothesis testing, if the p-value is less than the significance level , we do not have sufficient evidence to reject the null hypothesis.

(e) The volume of milk in a jug of milk is 128 oz. The value 128 is from a discrete data set.

Solution

a. FALSE. The mean is not always 0.

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b. TRUE.

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c. TRUE. It\'s an identity.

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d. FALSE. It\'s the other way around, we have sufficient evidence.

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e. FALSE. it is continuous data, as it can take up any value on a certain interval.