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What does inverse graph represent? |
2007-03-30 |
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From san:
what does inverse graph represent?
Answered by Penny Nom. |
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Expected value |
2007-03-30 |
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From Katrina:
A term life insurance policy will pay a beneficiary a certain sum of money upon the
death of the policy holder. These policies have premiums that must be paid annually. Suppose a
life insurance company sells a $250,000 one-year term life insurance policy to a 20-year-old male
for $350. According to the National Vital Statistics Report, Vol. 47, No. 28, the probability the
male will survive the year is 0.99865. Compute the expected value of this policy to the insurance
company. Does the company expect to make money at this rate?
Answered by Penny Nom. |
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A case of wine |
2007-03-30 |
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From Carol:
Suppose 3 of 12 bottles in a case of wine are bad. If you randomly select 2 bottles what is the probability that one is good and one is bad
Answered by Penny Nom. |
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Colour blindness |
2007-03-29 |
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From Katrina:
9% of men and .25% of woman can't distinguish between
the colors red and green. This is the type of color blindness
that causes problems with traffic lights. If 6 men are randomly
selected for a study of traffic signal perceptions, find the probability
that exactly two of them cannot distinguish between red and green.
Answered by Stephen La Rocque. |
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n($) x 35% equals $159,530 |
2007-03-29 |
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From Christine:
If n($) x 35% equals $159,530 what is n?
Answered by Penny Nom. |
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How many tons it will take to fill in this area |
2007-03-29 |
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From Amy:
I have to fill an area with millings (crushed stone). The measurements are 14 foot long, 14 foot wide, and a depth of 6 inches. How do I find the square footage and how do I convert that into tons?
I need to know how many tons it will take to fill in this area.
Answered by Penny Nom. |
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A parabolic arch |
2007-03-29 |
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From A student:
I am trying to figure out how to work this problem as it doesn't have many
details.
The problem ask for an equation to satisfy a parabolic arch y = 16 - 0.25x^2
for y>=0.
Find the width w of the arch.
Answered by Stephen La Rocque. |
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6- team schedule for softball |
2007-03-29 |
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From Angie:
I have 6-teams that can only play 3 days a week. Each team must get 18 games in for the season. I have to split them being the home team and the away team sometimes.
Answered by Penny Nom. |
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Is the inverse of a function always a function? |
2007-03-29 |
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From San:
Is the inverse of a function always a function? Please justify. Thank You!
Answered by Penny Nom. |
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Acceptance sampling |
2007-03-29 |
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From Katrina:
The Medassist Pharmaceutical Company recieves large shipments of
asprin tablets and uses this acceptance sampling plan: Randomly select
and test 24 tablets, then accept the whole batch if there is only one or
none that doesnt meet the required specifications. If a particular shipment
of thousands of asprin tablets actually has a 4% rate of defects, what is
the probability that this whole shipment will be accepted?
Answered by Penny Nom. |
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How many yards of gravel do I need? |
2007-03-28 |
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From Joel:
I am constructing a French drain 100 feet long x 6 inches wide by 18 inches deep. Within this trench will be a 4" diameter pipe which will be surrounded by washed gravel. How many yards of gravel do I need? Thanks!
Answered by Stephen La Rocque. |
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A beam on a lighthouse |
2007-03-28 |
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From Lisa:
A beam on a lighthouse 2000 metres away from the nearest point P on a straight shoreline revolves at the rate of 10 pi radians per minute. How fast is the beam of the light moving along the shoreline when it is 500 metres from P?
Answered by Stephen La Rocque. |
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A four digit number |
2007-03-28 |
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From Paulo:
Hi , if i have to discover a keypad number of four digit , Which the closest combination of getting right?? i have this tips ---> i know the second and thirth number is odd . dont have the number 7 in any digit ,
Doesnt begin with 8 or 4 ... and dont have the 2 as a last number .
Thanks !!
Answered by Stephen La Rocque. |
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Find the measure of all 3 angles. |
2007-03-28 |
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From Brittney:
The smallest angle in a triangle is one-third of the largest angle. The third angle is 10 more than the smallest one. Find the measure of all 3 angles.
Answered by Stephen La Rocque. |
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Choosing a bicycle |
2007-03-28 |
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From Jackie:
A specific brand of bike comes in two frames, for males or females. Each frame comes in a choice of two colors, red and blue, and with a choice of three seats, soft, medium, and hard.
a) Use the counting principle to determine the number of different arrangements of bicycles that are possible.
b) Construct a tree diagram illustrating all the different arrangements of bicycles that are possible.
c) List the sample space.
Answered by Penny Nom. |
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