The Pew Research Center claims that 97% of all adult Americans own a cell phone of some kind. Caleb wants to test if this is true. He randomly surveys 373 adults and find that 358 of them own ce phones. Do you think Caleb should reject the Pew Research Center's claim? Why or why not? Step 1: State the hypothesis.

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Author:Amos Gilat
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The Pew Research Center claims that 97% of all adult Americans own a cell phone of some kind.
Caleb wants to test if this is true. He randomly surveys 373 adults and find that 358 of them own cell
phones. Do you think Caleb should reject the Pew Research Center's claim? Why or why not?
Step 1: State the hypothesis.
Step 2: Determine the Features of the Distribution of Point Estimates Using the Central Limit
Theorem.
By the Central Limit Theorem, we know that the point estimates ar v Select an answer
ith
normally distributed
distribution mean
and distribution standard
t-distributed
Step 3: Assuming the Claim is True, Find the Probability of Obtaining the Point Estimate.
P(? v? ♥
= P(| ? ♥| ? v
Step 4: Make a Conclusion About the Claim.
Transcribed Image Text:The Pew Research Center claims that 97% of all adult Americans own a cell phone of some kind. Caleb wants to test if this is true. He randomly surveys 373 adults and find that 358 of them own cell phones. Do you think Caleb should reject the Pew Research Center's claim? Why or why not? Step 1: State the hypothesis. Step 2: Determine the Features of the Distribution of Point Estimates Using the Central Limit Theorem. By the Central Limit Theorem, we know that the point estimates ar v Select an answer ith normally distributed distribution mean and distribution standard t-distributed Step 3: Assuming the Claim is True, Find the Probability of Obtaining the Point Estimate. P(? v? ♥ = P(| ? ♥| ? v Step 4: Make a Conclusion About the Claim.
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