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GuDViN [60]
3 years ago
15

A random sample of 100 people was taken. Eighty of the people in the sample favored Candidate A. We are interested in determinin

g whether or not the proportion of the population in favor of Candidate A is significantly more than 75%. Refer to Exhibit 9-6. At a .05 level of significance, it can be concluded that the proportion of the population in favor of candidate A is
Mathematics
1 answer:
Monica [59]3 years ago
6 0

Answer:

it would be A 1251

Step-by-step explanation:

You might be interested in
19 times 70 using distributive property
Vikki [24]

Answer:

Step-by-step explanation:

19 *  70  = ( 20-1) * 70

             = 20*70 - 1*70

             = 1400 - 70

             = 1330

5 0
4 years ago
Solve for x in the equation 2 x squared + 3 x minus 7 = x squared + 5 x + 39.
Nastasia [14]

Answer:

\implies x=1\pm \sqrt{47}

Step-by-step explanation:

We want to solve for x in 2x^2+3x-7=x^2+5x+39

You need to group and combine like terms and write in standard form:

2x^2-x^2+3x-5x-7-39=0

\imples x^2-2x-46=0

By comparing to ax^2+bx+c=0, we a=1,b=-2 and c=-46

The solution can be obtained using the quadratic formula.

x=\frac{-b\pm \sqrt{b^2-4ac} }{2a}

We substitute the coefficients to get:

x=\frac{--2\pm \sqrt{(-2)^2-4*1*-46} }{2*1}

x=\frac{2\pm \sqrt{4+4*46} }{2}

x=\frac{2\pm \sqrt{4*47} }{2}

x=\frac{2\pm2\sqrt{47} }{2}

\implies x=1\pm \sqrt{47}

The last choice is correct

5 0
3 years ago
Read 2 more answers
HELP asap pls. <3
zimovet [89]

Step-by-step explanation:

I have no idea if I'm doing it right but my guess would be to take the values that we get from f(x) and g(x) when x = 1.  Therefore we get that f(x) is equal to 4 and g(x) is equal to -1.  We than just do f/g which is 4/-1 which gives us the final answer of -4 which is option B.

Answer:  Option B, -4

6 0
2 years ago
Help me please ASAP
brilliants [131]

ans is c it is simple c only meet the need of questions

4 0
3 years ago
On a baseball team, there are infielders and outfielders. Some players are great hitters, and some players are not great hitters
inysia [295]

Answer: c. P(I \text{ or }\overline{H})

Step-by-step explanation:

Notation to show "not an event E" : \overline{E}

Given:  I = the event that a player in an infielder.

H = the event that a player is a great hitter.

= the event that a player is not a great hitter.

The correct symbol for the probability that a player is an infielder or is not a great hitter : P(I \text{ or }\overline{H})

hence, the correct option is  c. P(I \text{ or }\overline{H})

7 0
3 years ago
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