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jeka57 [31]
3 years ago
13

A person tosses a coin 15 times. In how many ways can he get 15 tails?

Mathematics
1 answer:
Gemiola [76]3 years ago
3 0
Only 1 combination, tailx15 would work.
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True or false? If you took an if-then statement and inserted a "not" into each clause, the new statement would also be true.
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A data set includes 103 body temperatures of healthy adult humans for which x= 98.1 and s = 0.56.
lutik1710 [3]

Answer:

98.1, No does not contain, yes contains.

Step-by-step explanation:

Given that

sample size n =103

Sample mean = 98.1

sample std dev s = 0.56

a) the best point estimate of the mean body temperature of all healthy humans = sample mean =98.1

b) 99% confidence interval estimate of the mean body temperature of all healthy humans

We can use Z critical since sample size is large though sigma is not known

99% CI = (98.1-\frac{0.56}{\sqrt{103} },98.1+\frac{0.56}{\sqrt{103} } )\\=(98.045, 98.155)

This does not contain 98.6

This sample does not represent the population, i.e. may be biased sample.

c) CI of population mean

= populaiton mean + /- margin of error

=(98.545, 98.656)

Yes contains 98.6

5 0
3 years ago
Algebra 1 help the answers are on the bottom please help me
Sladkaya [172]

Answer:

Answer b is correct!

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Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Hope this helps :)

4 0
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What is the slope of the line through ( 1 , − 1 ) and( 5 , − 7 )
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3 years ago
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