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gavmur [86]
3 years ago
15

What is 1 plus 1 i need to know​

Mathematics
2 answers:
Yuri [45]3 years ago
6 0

Answer:

1 plus 1 equals 2

Andru [333]3 years ago
5 0

1 + 1 = 2 If you  need any REAL help, then I'm willing to do so

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The brand name of Mrs. Fields (cookies) has a 90% recognition rate. If Mrs. fields herself wants to verify that rate by beginnin
Schach [20]

Answer:

0.3874 = 38.74% probability that exactly 9 of the 10 consumers recognize her brand name.

0.6126 = 61.26% probability that the number who recognize her brand name is not nine.

Step-by-step explanation:

For each consumer, there are only two possible outcomes. Either they recognize the name, or they do not. The probability of a customer recognizing the name is independent of anu other customer. This means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

The brand name of Mrs. Fields (cookies) has a 90% recognition rate.

This means that p = 0.9.

Sample of 10

This means that n = 10

Find the probability that exactly 9 of the 10 consumers recognize her brand name.

This is P(X = 9). So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 9) = C_{10,9}.(0.9)^{9}.(0.1)^{1} = 0.3874

0.3874 = 38.74% probability that exactly 9 of the 10 consumers recognize her brand name.

Also, find the probability that the number who recognize her brand name is not nine.

1(100%) subtracted by those who recognize. So

1 - 0.3874 = 0.6126

0.6126 = 61.26% probability that the number who recognize her brand name is not nine.

4 0
3 years ago
Solve for p: m= 8 -2(p-m)
makkiz [27]
Solve for p by simplifying both sides of the equation, then isolation the variable
p = 1 + m/2

Hope this helps! :)
4 0
3 years ago
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Find unit rate for 51 in 14 min.
wariber [46]
Its going to be .27ths of an inch for 1 minute.
7 0
3 years ago
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In circle "R" below, determine the length of arc AB if BR = 5 units.
riadik2000 [5.3K]
l=2 \pi r( \frac{degrees}{360} )

l=2 \pi × 5 × \frac{135}{360} = 11.78


4 0
3 years ago
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5. You are making your weekly mean plans and are working with the following constraints: It costs $8 to go out to dinner. It cos
Goshia [24]

Let

x-------> the number of dinner

y-------> the number of lunch

we know that

8x+5y \leq 42 -------> equation A

x=y ------> equation B

Substitute equation B in equation A

8[y]+5y \leq 42

13y \leq 42

y \leq 42/13

y \leq 3.23

so

the greatest number of lunch is y=3

x=y

Hence

the greatest number of dinner is x=3

therefore

the greatest number of meals is

x+y=3+3=6

<u>the answer is</u>

6

4 0
3 years ago
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