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Question $37$

A product's demand per period follows a normal distribution $4$ ?mean of $60$ ?and standard deviation of $10.$ ?The lead time is $2$ ?periods. What will happen to its order $-$ up $-$ to level if the in $-$ stoc probability is increased from $95\%$ ?to $99\%?$

It will increase.

It will decrease.

It will remain the same.

It may be increased or decreased.