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Sati [7]
3 years ago
7

The quantity of soap produced in 2009 is 3000bars. if this is a 20% increase of what was produced in 2008.what is the quantity o

f soap produced in 2008​
Mathematics
1 answer:
mr Goodwill [35]3 years ago
6 0
2,400
20% of 3,000= 600
3,000 - 600= 2,400
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Where can I find about slopes in homework 5 unit 3
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Answer:

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3 years ago
Forty percent of households say they would feel secure if they had $50,000 in savings. you randomly select 8 households and ask
Kay [80]

Answer:

Let X be the event of feeling secure after saving $50,000,

Given,

The probability of feeling secure after saving $50,000, p = 40 % = 0.4,

So, the probability of not  feeling secure after saving $50,000, q = 1 - p = 0.6,

Since, the binomial distribution formula,

P(x=r)=^nC_r p^r q^{n-r}

Where, ^nC_r=\frac{n!}{r!(n-r)!}

If 8 households choose randomly,

That is, n = 8

(a) the probability of the number that say they would feel secure is exactly 5

P(X=5)=^8C_5 (0.4)^5 (0.6)^{8-5}

=56(0.4)^5 (0.6)^3

=0.12386304

(b) the probability of the number that say they would feel secure is more than five

P(X>5) = P(X=6)+ P(X=7) + P(X=8)

=^8C_6 (0.4)^6 (0.6)^{8-6}+^8C_7 (0.4)^7 (0.6)^{8-7}+^8C_8 (0.4)^8 (0.6)^{8-8}

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=0.04980736

(c) the probability of the number that say they would feel secure is at most five

P(X\leq 5) = P(X=0) + P(X=1) + P(X=2) + P(X=3) + P(X=4) + P(X=5)

=^8C_0 (0.4)^0(0.6)^{8-0}+^8C_1(0.4)^1(0.6)^{8-1}+^8C_2 (0.4)^2 (0.6)^{8-2}+8C_3 (0.4)^3 (0.6)^{8-3}+8C_4 (0.4)^4 (0.6)^{8-4}+8C_5(0.4)^5 (0.6)^{8-5}

=0.6^8+8(0.4)(0.6)^7+28(0.4)^2(0.6)^6+56(0.4)^3(0.6)^5+70(0.4)^4(0.6)^4+56(0.4)^5(0.6)^3

=0.95019264

8 0
3 years ago
HELP.
wolverine [178]

Answer:

x=8

Step-by-step explanation:

5 0
3 years ago
3x+14=11 <br> a. 4<br> b.-1<br> c. 3
EleoNora [17]
For this question, you would go; 11 - 14 = -3 Then; -3 ÷ 3 = -1 The answer is b) -1 :)
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3 years ago
The events committee buys 100 flowers for a school dance. The flowers are a combination of carnations and roses. Each carnation
grandymaker [24]

Answer:

66 carnations and 34 roses

Step-by-step explanation:

.75x + 2.75y = 139

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im not smart but bear with me:

rewrite the 2nd equation:

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y=34 ; now substitute this into out 2nd equation

x+y=100

x+ (34) =100

x=100-34

x=66

4 0
2 years ago
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