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Sauron [17]
3 years ago
8

PLEASE HELP ASAP!!!!!! GivinG BRAINLIEST!!!

Mathematics
1 answer:
jeka57 [31]3 years ago
4 0
The answer is .0083333333
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How many ways can Rudy choose 5 pizza toppings from a menu of 20
lozanna [386]

Answer:

15504 ways

Step-by-step explanation:

C(n,r)=\frac{n!}{r!(n-r)!} \\\\C(20,5)=\frac{20!}{5!(15)!} \\\\C=15504

8 0
3 years ago
Answer please brainliest
Firlakuza [10]

Answer:

45

Step-by-step explanation:

45% = 0.45

45/100 = 0.45

4 0
2 years ago
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Estimate the cost of painting a concrete patio if it is a 12 foot by 12 foot rectangle, and a quart of paint that covers 47 squa
umka21 [38]

Answer: $36.68 or $35.97. Read below.

Step-by-step explanation: You need to multiply the 12 foot by 12 foot and you would get 144 sq feet. Then divide 47 into 144. You will be left with 3.06, and if you need to round, you can round that to 3. Then you need to multiply 3 by $11.99 and you will be left with the cost for the paint, which is $35.97 if you do round to a three, and $36.68 if you do not round the three. So your answer is either $36.68 or $35.97 depending on whether you round or not.

6 0
2 years ago
The side length of aDavid is a statistician. He has a sample size of 40 (which he cannot change). What element of his hypothesis
Sergeeva-Olga [200]

Answer: D) the significance level of the test

=======================================================

Explanation:

The significance level of the test, also known as "alpha", is the probability of making a type 1 error. A type 1 error is where you reject the null hypothesis but it was true all along.

The null hypothesis is where we test a certain probability distribution (eg: normal distribution). Specifically we gather a sample of values and compute the test statistic. If the probability of getting that test statistic or more extreme is smaller than alpha, then we reject the null. This probability value is known as the p-value.

If you lower the alpha value, then that will make it more likely you do not reject the null. Consider an example where alpha = 0.10 to start with. If you get a p-value of 0.02, then you would reject the null. The same would apply for alpha = 0.05; however, with alpha = 0.01, the p-value is no longer smaller than alpha. At this point we do not reject the null. Your textbook may use the phrasing "fail to reject the null".

Going in the opposite direction, increasing the alpha value will make it more likely to reject the null. Each time you adjust the alpha value, keep the p-value to some fixed number (between 0 and 1).

6 0
3 years ago
Read 2 more answers
A video game console that is normally priced at 269.99 has been marked down by 33% of its original price. If the sales tax is 8.
larisa86 [58]

Answer:

$5.99

Step-by-step explanation:

I am Majoring in math and Personal Finance

7 0
3 years ago
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