Question

A quick survey of peanut butter prices had standard deviation and mean of $0.26 and $3.68, respectively. Compute the area for a peanut butter jar costing less than $3.50. Enter an intezer or decimal number (more.. Submit Question

Answer 1

`z=\frac{3.50\text{ - 3.68}}{0.26}=-0.69,\text{ then we have to find P (Z < -0.69) in a normal probability table}`
`We\text{ look in a table and find that P (Z < -0.69 ) = 0.2451}`