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1 April, 03:15

a study examined the effectiveness of an ear molding technique used to correct ear deformities in newborns without the need for surgery. a plastic mold was placed around the deformed ear shortly after birth for about 2 weeks. the study reports that 152 of 158 procedures were successful. what is the sample proportion of successful procedures

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  1. 1 April, 03:39
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    The sample proportion of successful procedures is 0.962.

    Step-by-step explanation:

    The sample proportion of successful procedures is the number of successfiç procedures divided by the total number of procedures.

    In this problem:

    158 procedures, of which 152 were successful. So

    p = 152/158 = 0.962

    The sample proportion of successful procedures is 0.962.
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