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Alexxandr [17]
2 years ago
9

5. A newspaper in New York took a random sample of 500 registered voters from New York City and found that 300 favored a certain

candidate for governor of the state.
A second newspaper polled 1,000 registered voters in upstate New York and found that 550 people favored this candidate. Explain how you would interpret the results.
Mathematics
1 answer:
RUDIKE [14]2 years ago
7 0

Answer:

Step-by-step explanation:

In first voting 300 person favors the candidate out of 500

i.e. \frac{300}{500}=0.6

60 % Population favor the candidate

For second voting 550 person favors the candidate out of 1000 candidates

i.e. \frac{550}{1000}=0.55

55 % Population favors candidate

so according to voting, 1 st voting is favorable for candidate because a large population support him as compared to second voting.          

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A jar contains black marbles and green marbles. Sixty percent of the marbles in the jar are green. A number generator simulates
grigory [225]

Answer: D

Step-by-step explanation:

The number generator is not fair, in most of the experiments, considerably less than 60 % of the selected marbles are green.

And if Sixty percent of the marbles in the jar are green. A number generator should simulates randomly by selecting atleast one of the 60% of green marbles from the jar

5 0
2 years ago
The approximate line of best fit for the given data points, y = −2x − 2, is shown on the graph.
Lorico [155]

Answer:

2

Step-by-step explanation:

I think this is the anser because it went fom -5 to 5 so maybe it goes like that for the answer.

6 0
2 years ago
Read 2 more answers
erin has $50. she wants to purchase a cell phone ($20) and spend the rest in music cds each cd costs $8. write an inepuality for
HACTEHA [7]
She can buy 3 because 50-20=30  30/8=3.75 so u round down cause you don't have enough money to buy 4
3 0
2 years ago
Jody bought 20 shares of amazon at the close price of $121.00. She bought 20 more shares a year later at the price of $127.00. T
hjlf

Answer:

Jody made $210 after all of these transactions.

Step-by-step explanation:

Jody bought 20 shares of amazon at the price of $121.00

= 121.00 × 20 = $2,420

After one year she bought 20 more shares at the price of $127.00

= 127.00 × 20 = $2,540

Her broker charges $50.00 for each transaction = 50 × 2 = $100

Total cost of all shares = 2,420 + 2,540 + 100 = $5,060

She sold all of her shares at the price of $133.00

= 133 × 40 = $5,320

She gave broker charge for this transaction = $50.00

Total selling amount  = 5,320 - 50 = $5,270

Profit = Selling amount - cost

Profit = 5,270 - 5,060 = $210

Jody made $210 after all of these transactions.

8 0
2 years ago
Read 2 more answers
To evaluate the effect of a treatment, a sample of n=8 is obtained from a population with a mean of μ=40 , and the treatment is
Westkost [7]

Answer:

Step-by-step explanation:

a)

Test statistic:

t=\frac{35-40}{\sqrt{\frac{32}{8} } }

t=-2.5

df=8-1=7

critical, t ,values=+/-2.365

here test statistic lie in rejection region,that why null hypothesis fails  

so Yes, its significant.

b)

Test statistic:

t=\frac{35-40}{\sqrt{\frac{72}{8} } }

t=-1.67

df=8-1=7

critical, t ,values=+/-2.365

c)

sample variability increases, therefore likelihood of rejecting the null hypothesis decreases.

5 0
2 years ago
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