Question

A company sells cookies in 250-gram packs. When a particular batch of 1,000 packs was weighed, the mean weight per pack was 255 grams and the standard deviation was 2.5 grams.
Assuming the data is normally distributed, we can conclude that % of the packs weighed less than 250 grams

Answer 1

@mathstudent55, @Anna-Rose

Answer 2

@Hero, @paki

Answer 3

@pooja195, @Nnesha

Answer 4

Do you know how to calculate a z-score?

Answer 5

i have no idea

Answer 6

@paki

Answer 7

@pooja195

Answer 8

OHHHHHHHHHHHHHH this is simple algebra for me... i can help

Answer 9

k

Answer 10

do you know what the percentage is?

Answer 11

@Hero, @zepdrix

Answer 12

@thomaster