Leandro wants to build a one-sample z interval with 98% confidence to estimate the proportion of light bulbs that arrive broken upon shipment to his store. He takes a random sample of 500 bulbs and finds that 25 arrived broken. What critical value z* should Leandro use to construct this confidence interval? Choose 1 answer: A z* = 1.96 B z* = 2.054 z* = 2.326 D. z* = 2.576

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Leandro wants to build a one-sample z interval with 98% confidence to estimate the proportion of light bulbs
that arrive broken upon shipment to his store. He takes a random sample of 500 bulbs and finds that 25 arrived
broken.
What critical value z* should Leandro use to construct this confidence interval?
Choose 1 answer:
z* = 1.96
B
z*
2.054
z* = 2.326
2.576
D.
C.
A,
Transcribed Image Text:Leandro wants to build a one-sample z interval with 98% confidence to estimate the proportion of light bulbs that arrive broken upon shipment to his store. He takes a random sample of 500 bulbs and finds that 25 arrived broken. What critical value z* should Leandro use to construct this confidence interval? Choose 1 answer: z* = 1.96 B z* 2.054 z* = 2.326 2.576 D. C. A,
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