Question

In a simple random sample of 70 automobiles registered in a certain state, 24.00 of them were found to have emission levels that exceed a state standard. Someone claims that less than 44.35% of the automobiles in the state exceed the standard. With what level of confidence can this statement be made? (Round the final answer to three decimal places.) The level of confidence is %.

          In a simple random sample of 70 automobiles registered in a certain
state, 24.00 of them were found to have emission levels that exceed
a state standard.
Someone claims that less than 44.35% of the automobiles in the state exceed the
standard. With what level of confidence can this statement be made? (Round the final
answer to three decimal places.)
The level of confidence is  %.

In a simple random sample of 70 automobiles registered in a certain
state, 24.00 of them were found to have emission levels that exceed
a state standard.
Someone claims that less than 44.35% of the automobiles in the state exceed the
standard. With what level of confidence can this statement be made? (Round the final
answer to three decimal places.)
The level of confidence is %.

Added by Nicole M.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Adi S

05/09/2022

Step 1

Sample proportion = Number of automobiles exceeding standard / Total number of automobiles Sample proportion = 24 / 70 = 0.342857 Show more…

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In a simple random sample of 70 automobiles registered in a certain state, 24.00 of them were found to have emission levels that exceed a state standard. Someone claims that less than 44.35% of the automobiles in the state exceed the standard. With what level of confidence can this statement be made? (Round the final answer to three decimal places.) The level of confidence is ◻ %. In a simple random sample of 70 automobiles registered in a certain state,24.00 of them were found to have emission levels that exceed a state standard Someone claims that less than 44.35% of the automobiles in the state exceed the standard.With what level of confidence can this statement be made?(Round the final answer to three decimal places.) The level of confidence is %.