Oliviab6603 Oliviab6603

06-06-2023
Mathematics

contestada

A packet of chocolate bar's content is regularly distributed, with a mean of 250 grammes and a standard deviation of 25 grammes. What is the likelihood that the mean weight is between 245 and 256 grammes if 50 packets are picked at random?
Select one:
a. 0.4526
b. 0.8761
c. 0.9876
d. 0.3786

Respuesta :

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