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a_sh-v [17]
3 years ago
6

Mandy's square quilt measures 99 in on each edge. how many yd of trim does she need to buy to go around the entire quilt

Mathematics
2 answers:
Masteriza [31]3 years ago
5 0
4x99=396in
1 yard=36 in
so there for mandy needs 11 yards of trim
Bad White [126]3 years ago
5 0
You would need to multiply two edges : 2•99
1 yard = 36 inches
So convert
198 into 36
Answer 5.30 yards
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The amount of calories consumed by customers at the Chinese buffet is normally distributed with mean 2885 and standard deviation
aliina [53]

Answer:

a.  X~N(2,885, 651)

b.  0.086291

c.  0.00058

d.  3213.10 calories

Step-by-step explanation:

a. -A normal distribution is expressed in the form X~N(mean, standard deviation).

-Let X a random variable denoting  the number of calories consumed.

-X is a is a normally distributed random variable with mean 2885 and standard deviation 651.

-This distribution is expressed as X~N(2,885, 651)

b. The probability that less than 2000 calories are consumed is calculated using the formula:

P(X

#substitute the given values in the formula to solve for P:

P(X

Hence, the probability of consuming less than 2000 calories is 0.08691

c. The proportion of customers consuming more than 5000 calories is calculated as:

P(X>x)=P(z>\frac{\bar X-\mu}{\sigma})\\\\=P(Z>\frac{5000-2885}{651})\\\\=P(z>3.2488)\\\\=1-0.99942\\\\=0.00058

Hence, the proportion of customers consuming over  5000 calories is 0.00058

d. The least amount of calories to get the award is calculated as:

1% is equivalent to a z value of 0.50399.

-We equate this to the formula to solve for the mean consumption:

0.01=P(z>\frac{\bar X-\mu}{\sigma})\\\\=P(z>\frac{\bar X-2885}{651})\\\\\1\%=0.50399 \\\\\frac{\bar X-2885}{651}=0.50399 \\\\\bar X=0.50399\times 651+2885\\\\=3213.09

Hence, the least amount of calories consumed to qualify for the award is 3213.10 calories.

8 0
3 years ago
Write an expression to show k less than 3.5
Natalija [7]
Answer: k < 3.5
explanation: < means less than and > means more than and = means equal to so k < (less than) 3.5
5 0
3 years ago
If A and B are mutually exclusive events, then P(A or B) = P(A) + P(B).
Korolek [52]

Answer:

P(A or B) = 25%

Step-by-step explanation:

P(A and B) = 30%

P(A) = 40%

P(B) = 15%

Apply given formula:

P(A or B) = P(A) + P(B) - P(AB)

= 40%+15+-30%

= 25%

8 0
3 years ago
A cereal box has a height of 32 centimeters. it has a base with an area of 160-square centimeters. What is the volume,in cubic c
lutik1710 [3]
Volume=legnth times widht times height
legnth times width=area of base
so
volume=area of base times height for a prism

area of base=160
height=32
volume=160 times 32
volume=5120


volume is 5120 cubic centimeters or
5120 cm^3
3 0
3 years ago
it cost $270 for 3 people to go on a fishing trip how much does it cost for 10 people to go on a fishing trip
kolbaska11 [484]
I don't even know sorry but good luck
4 0
3 years ago
Read 2 more answers
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