a) The engineer can say \"I am 99% confident that the data does NOT come from a

Question

a) The engineer can say "I am 99% confident that the data does NOT come from a normal distribution."

The engineer can say "I am 90% confident that the data does NOT come from a normal distribution."

The engineer can say "I am 95% confident that the data does NOT come from a normal distribution."

The engineer can say "I am 90% confident that the data does come from a normal distribution."  

The engineer can say "I am 95% confident that the data does come from a normal distribution."

None of the above.

The engineer can say "I am 99% confident that the data does come from a normal distribution."

a) The engineer can say "I am 99% confident that the data does NOT come from a normal distribution."

b)

The engineer can say "I am 90% confident that the data does NOT come from a normal distribution."

c)

The engineer can say "I am 95% confident that the data does NOT come from a normal distribution."

d)

The engineer can say "I am 90% confident that the data does come from a normal distribution."  

e)

The engineer can say "I am 95% confident that the data does come from a normal distribution."

f)

None of the above.

g)

The engineer can say "I am 99% confident that the data does come from a normal distribution."

Explanation / Answer

If this calculated value is roughly equal to (but slightly less than) the value of the chi squared is statistic found in the tables for a confidence level of 90% then we fail to reject the null hypothesis as the test statistic does not fall in the critical region.

d)

The engineer can say "I am 90% confident that the data does come from a normal distribution."  

True.

d)

The engineer can say "I am 90% confident that the data does come from a normal distribution."  

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