<u>Answer</u><u>:</u>
<u> </u><u>First</u><u> </u><u>option=$13950 is correct.</u>
<u>Why</u><u>?</u>
<u>Total</u><u> </u><u>other</u><u> </u><u>cost</u><u> </u><u>=</u><u>$</u><u>1</u><u>5</u><u>5</u><u>0</u><u>0</u>
<u>1</u><u>0</u><u>%</u><u> </u><u>saving</u><u> </u><u>on</u><u> </u><u>other</u><u> </u><u>cost</u>
=10% × $15500
=$1550
<u>So total cost target on other cost for next month</u>
=$15500-$1550
=$13950
20% of the students chose a cupcake = 20 / 100: Shade 20 squares.
20 / 100 = x / 55
100x = 1100
x = 11 students who chose a cupcake
Hope this helps!! :)
Let x be the number of adults (under 50 years old) after a 12-hour fast where X ~ N(85,25)
The problem is missing some parts but here are the answers:
(a) x is more than 60
z(60) = (60-85)/25 = -1
P(x > 60) = P(z > -1) = 0.158655
(b) x is less than 110
z(110) = (110-85)/25 = 1
P(x < 110) = P(z < 1) = 0.841345
<em>The answer would be 1 1/5
</em>
<em>
</em>
<em>48/40 = 1 8/40
</em>
<em>
</em>
<em>1 8/40 Simplify to 1 1/5
</em>
<em>
</em>
<em>Hope this helps! </em>
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