8. A study on hearing impairment among workers in a construction site has been done. A random sample of 33 workers has been tested and the results are as follows: P p. P S IR IR IR IS IA IA IA, IR 19,...

8. A study on hearing impairment among workers in a construction site<br>has been done. A random sample of 33 workers has been tested and<br>the results are as follows:<br>P p.<br>P<br>S IR IR<br>IR IS<br>IA IA<br>IA, IR 19, IR<br>A IA, IR, IA.<br>

Extracted text: 8. A study on hearing impairment among workers in a construction site has been done. A random sample of 33 workers has been tested and the results are as follows: P p. P S IR IR IR IS IA IA IA, IR 19, IR A IA, IR, IA.

[Where p: problem with hearing impairment<br>p: no problem with hearing impairment)<br>(a) Find a point estimate for the true proportion of all workers that<br>would have hearing impairment.<br>(b) Construct a 97.8% confidence interval for the true proportion of<br>all workers that would have hearing impairment.<br>(c) Does it appear that at least 60% of workers suffer from this<br>problem?<br>

Extracted text: [Where p: problem with hearing impairment p: no problem with hearing impairment) (a) Find a point estimate for the true proportion of all workers that would have hearing impairment. (b) Construct a 97.8% confidence interval for the true proportion of all workers that would have hearing impairment. (c) Does it appear that at least 60% of workers suffer from this problem?

Jun 02, 2022

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8. A study on hearing impairment among workers in a construction site has been done. A random sample of 33 workers has been tested and the results are as follows: P p. P S IR IR IR IS IA IA IA, IR 19,...

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