Answer:
Step-by-step explanation:
p = .3
n = 150
p(bar ) = 1 - p = .7


=.037
b )
P ( .2 <p<.4 ) = P [ (.2 - .3) / .037 < z < ( .4 - .3 ) / .037 ]
= P [ (-2.7 < z < +2.7 ]
= .9965-.0035
= .993
c )
P ( .25 <p<.35 ) = P [ (.25 - .3) / .037 < z < ( .35 - .3 ) / .037 ]
= P [ (-1.35 < z < +1.35 ]
= .9115 - .0885
= .823
Answer:
725 Boxes of Popcorn
Step-by-step explanation:
You can do it simply by just typing in the calculator 4893.75÷6.75.
But I can show my work. Picture below
You'd have to add 19w in order to cancel out the -19w
Answer:
i believe its b
Step-by-step explanation: