Mathematics, 30.01.2020 23:04, nkslsj

The average pulling force that a sample of 1000 springs could take and still be able to spring back was 200 lbs with a standard deviation of 3 lbs. if the distribution follows a normal curve, which of the following is not true?

a.) about 15 springs could withstand less than 194 lbs of force
b.) about 950 springs could withstand between 194 and 206 lbs of force.
c.) about 500 springs could withstand 200 lbs or more of force.
d.) about 25 springs could withstand more than 206 lbs of force.

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The average pulling force that a sample of 1000 springs could take and still be able to spring back...