A population of songbirds has an average wingspan of 15.215.2 centimeters with a standard deviation of 1.81.8 centimeters. A researcher measures a songbird with a wingspan of 1818 centimeters. Calculate the zz-score and determine if this wingspan is unusual for this population.

z≈1.56z\approx1.56 Not unusual

z≈1.07z\approx1.07 Not unusual

A population of songbirds has an average wingspan of 15.215.2 cen...

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A population of songbirds has an average wingspan of 15.215.2 centimeters with a standard deviation of 1.81.8 centimeters. A researcher measures a songbird with a wingspan of 1818 centimeters. Calculate the zz-score and determine if this wingspan is unusual for this population.

A population of songbirds has an average wingspan of $15.2$ centimeters with a standard deviation of $1.8$ centimeters. A researcher measures a songbird with a wingspan of $18$ centimeters. Calculate the $z$ -score and determine if this wingspan is unusual for this population.