santiago05
contestada

At a school 3% of students weigh below 60 kilograms and 3% of the students
weight above 93 kilograms. If the weights of the students are normally distributed, find
the mean weight. Give only the numerical answer as a decimal with no units.

Ayudaaaaa

Respuesta :

rosita22tkm

Respuesta:

no puede poner en el español

Respuesta:

76.5

Explicación:

A normal distribution is symmetric about the mean and it is given that the same percentage of students weigh below 60 kilograms and above 93 kilograms.

Thus, the mean will be halfway between 60 and 93 or,

60+932=1532=76.5

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