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kondaur [170]
3 years ago
6

In a certain town, 25% of people commute to work by bicycle. If a person is selected randomly from the town, what are the odds a

gainst selecting someone who commutes by bicycle?
Mathematics
2 answers:
Ostrovityanka [42]3 years ago
7 0

Answer:

So if 25% of the people go to work by bicycle then that means that 75% of people go to work by other means of transportation.

Therefore the odds against selecting someone who commutes by bicycle are 75% or 75/100 or 0.75.

Step-by-step explanation:

Lana71 [14]3 years ago
5 0

Answer:

75% or .75

Step-by-step explanation:

hope this helps :)

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Answer:

The statistic for this case is given t =-1.68

The degrees of freedom are given by:

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Since is a one-side lower test the p value would given by:  

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Step-by-step explanation:

Data given and notation  

\bar X represent the sample mean  

s represent the sample standard deviation  

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\alpha represent the significance level for the hypothesis test.  

z would represent the statistic (variable of interest)  

p_v represent the p value for the test (variable of interest)  

State the null and alternative hypotheses.  

We need to conduct a hypothesis in order to check if the mean is lower than 350, the system of hypothesis are :  

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t-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".  

Calculate the statistic  

The statistic for this case is given t =-1.68

P-value  

The degrees of freedom are given by:

df =n-1= 20-1=19

Since is a one-side lower test the p value would given by:  

p_v =P(t_{19}  

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Step-by-step explanation:

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