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What is the value of a for the 90% confidence interval?​

Sagot :

Answer:

1.64

For a 95% confidence interval, we use z=1.96, while for a 90% confidence interval, for example, we use z=1.64.

Step-by-step explanation:

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Answer:

Calculating the Confidence Interval

Confidence Interval Z

85% 1.440

90% 1.645

95% 1.960

99% 2.576

Step-by-step explanation:

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