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spin [16.1K]
3 years ago
8

HELP PLSS i need this

Mathematics
1 answer:
Delvig [45]3 years ago
5 0

Answer:

I think it’s either g or f the other person said f so I think f is my final answer

Step-by-step explanation:

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The weekly amount spent by a small company for in-state travel has approximately a normal distribution with mean $1450 and stand
Llana [10]

Answer:

0.0903

Step-by-step explanation:

Given that :

The mean = 1450

The standard deviation = 220

sample mean = 1560

P(X > 1560) = P( Z > \dfrac{x - \mu}{\sigma})

P(X > 1560) = P(Z > \dfrac{1560 - 1450}{220})

P(X > 1560) = P(Z > \dfrac{110}{220})

P(X> 1560) = P(Z > 0.5)

P(X> 1560) = 1 - P(Z < 0.5)

From the z tables;

P(X> 1560) = 1 - 0.6915

P(X> 1560) = 0.3085

Let consider the given number of weeks = 52

Mean \mu_x = np = 52 × 0.3085 = 16.042

The standard deviation =  \sqrt {n \time p (1-p)}

The standard deviation = \sqrt {52 \times 0.3085 (1-0.3085)}

The standard deviation = 3.3306

Let Y be a random variable that proceeds in a binomial distribution, which denotes the number of weeks in a year that exceeds $1560.

Then;

Pr ( Y > 20) = P( z > 20)

Pr ( Y > 20) = P(Z > \dfrac{20.5 - 16.042}{3.3306})

Pr ( Y > 20) = P(Z >1 .338)

From z tables

P(Y > 20) \simeq 0.0903

7 0
3 years ago
GCF of 6x and x pls show work
vesna_86 [32]
GCF means the term(s) that 6x and x have.
The GCF is x because:
1. Using multiplication: 6x * x = 6x^2
becomes x(6+x) = 6x^2
GCF is x.

Good luck to you!
4 0
3 years ago
I am once having trouble solving an equation. 6x2 - 2x = 19
brilliants [131]

Answer:

X=1 9/10

Step-by-step explanation:

6X multiply 2 - 2X=19

Calculate the product

12X-2X=19

Collect the like terms

10X=19

Divide both sides of the equation by 10

X=19/10

Simplify the improper fraction

X=1 9/10

7 0
3 years ago
Everyone out there, listen up! If you got problems don't just sit there! Get up! Get help! Don't complain about your life on her
JulsSmile [24]

Answer:

stop it get some help

Step-by-step explanation:

or else marios gonna do something not so good

3 0
3 years ago
Read 2 more answers
Solve each exponential equation 8^x=12143
Eva8 [605]
The answer is x=4.522612
8 0
3 years ago
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