find the values of trigonometric ratio is what I need to do. also all those fraction answers are options for the sin(L), cos (L)
, and tan (L). 
1 answer:
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Answer:
The chances of success for Archie is
Step-by-step explanation:
From the question we are told that
The distance of Sudland from Xhosas is d = 100 miles
The probability of failure is
The probability of choosing the desert route is
The probability of reaching Sudland through the mountain is
Generally the probability of choosing the mountains route is
Generally the probability of success is mathematically represented as
Generally the probability of success in reaching Sudland is also mathematically represented as
=>
substituting values
=>
=>
=>
Answer:
The test statistic is z = -2.82.
Step-by-step explanation:
A marketing research firm believes that more than half of adults drink mostly either regular or diet soda.
This means that the null hypothesis is:
The alternate hypothesis is:
The test statistic is:
In which X is the sample mean, is the value tested at the null hypothesis,
is the standard deviation and n is the size of the sample.
0.5 tested at the null hypothesis:
This means that:
Gallup took a nationally representative sample of 2027 adults and asked them about their soda consumption. The survey shows that 950 of those surveyed drink mostly either regular or diet soda.
This means that
Test statistic:
The test statistic is z = -2.82.