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Digiron [165]
3 years ago
9

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
Mathematics
1 answer:
Triss [41]3 years ago
8 0
Thanks for the points
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Kevin has a spinner that has 10 equal sections and 2 sections of each color—red, blue, green, yellow, and purple. Kevin spins th
elena-s [515]
Hello!

You add the amount of sections have red or purple

2 + 2 = 4

Put this over the amount of sections

4 / 10 = 0.4

Multiply this by the amount of times he spins the spinner

180 * 0.4 = 72

The answer is about 72 times

Hope this helps!
8 0
3 years ago
HURRY QUICK!! Apply the distributive property to create an equivalent expression. 1/2 ( 6e - 3f - 3/4 )
tensa zangetsu [6.8K]

Answer:

1 2/6      3 3/4

Step-by-step explanation:

7 0
3 years ago
D) Pedro spends some of his money and at the end of the two
Ksenya-84 [330]

Answer:

it depend

Step-by-step explanation:

hopefully i help

5 0
3 years ago
1) Convert fractions into decimals. <br><br>a.34/100<br><br><br>​
Natali5045456 [20]

Answer:

0.34

Step-by-step explanation:

a.

34 / 100 = 0.34

0.34 is the decimal form of the fraction 34 / 100.

8 0
2 years ago
Read 2 more answers
Samantha’s annual college tuition is $18,541.89. The college offers a monthly payment plan of 9 equal payments. How much would e
MrRissso [65]
I think 2,057.21 because 18,541.89 divided by 9 is 2,057.21
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3 years ago
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