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2 years ago

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Doctors nationally believe that 74% of a certain type of operation are successful. In a particular hospital, 57 of these operati

ons were observed and 47 of then were successful. At alpha is equal to 0.05, is this hospital's success rate different from the national average

1 answer:

Triss [41]2 years ago

8 0

Thanks for the points
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3 gallons of paint are used to paint 16 wooden sign how much paint did each sign use? between the two whole numbers does the ans

kkurt [141]

I think you should do it in a decimal idk if im right but in decimal form it is .1875

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2 years ago

A window shaped like a parallelogram has an area of 30 square feet. The height of the window is 4

Viefleur [7K]

Answer:

The base of the window is 7.5 feet long.

Step-by-step explanation:

The area of a parallelogram can be found with the formula A = bh

Plug in the known values to get 30 = 4b

30 = 4b

30/4 = b

7.5 = b

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2 years ago

It costs $10 to go to Pete's Pottery Place to paint custom bowls at a cost of $3.50 per bowl. Janelle plans to paint bowls 5 day

ddd [48]

Answer:67.5

Step-by-step explanation:

Because 10 dollars a day then 5 days so 10x5=50 3.50 for bowl so 5 bowls would be 17.5 therefor 50+17.5=67.5 and that's your answer.

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2 years ago

There are eleven songs on your playlist. five of them are country and six are pop. with random shuffle and no repetition, you li

jek_recluse [69]

The probability is 1/462.

To find this, we will find the number of combinations of 5 country songs taken 5 at a time, 6 pop songs taken 0 at a time, and the total number of outcomes will be 11 songs taken 5 at a time:

$\frac{_5C_5\times_6C_0}{_{11}C_5}
\\
\\\frac{\frac{5!}{5!0!}\times\frac{6!}{0!6!}}{\frac{11!}{5!6!}}=\frac{1\times1}{\frac{11!}{5!6!}}
\\
\\=\frac{1}{462}$

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3 years ago

Put the phone numbers in order from least to greatest.<br> 1.26, 1.3, 1.2

andriy [413]

Least 1.2, 1.26, 1.3 greatest

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3 years ago

Read 2 more answers