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dmitriy555 [2]
3 years ago
12

Members of a basketball team suspect the coin used for the coin toss at the beginning of their games is unfair. They believe it

turns up heads more often than it should if it were fair. The coach of the team decides to flip the coin 100 times and count the number of heads. Her trial results in 42 heads. She decides to carry out a significance test. What is the p-value she obtains and the general conclusion that can be made at a 90% significance level?

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
5 0

Answer:

The trial provides enough evidence that the probability of obtaining heads is less than 0.50 and that the coin is unfair.

Step-by-step explanation:

The explanation is in the picture

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dimulka [17.4K]

Answer:

1a w=-9                 1b s=20/7

2a x=12                 2b v=11

3a b=10                 3b a=9/5

4a c=1                    4b x=2

Step-by-step explanation:

6 0
3 years ago
The number of Atlantic blue fin tuna in thousands can be modeled by P(x)=230(.881)^x where X represents the number of years sinc
Maurinko [17]
<h3>Answer: 1981</h3>

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

Work Shown:

Recall that P is in thousands, so P = 95 means 95,000.

Plug in P(x) = 95. Solve for x. Use logarithms to get this done.

P(x)=230(0.881)^x

95=230(0.881)^x

95/230 = (0.881)^x

0.41304347826087 = (0.881)^x

(0.881)^x = 0.41304347826087

Log( (0.881)^x )= Log( 0.41304347826087 )

x*Log( 0.881 )= Log( 0.41304347826087 )

x= Log( 0.41304347826087 )/Log( 0.881 )

x= 6.97883817154785

x= 7

Approximately 7 years after 1974 is when the population will be around 95,000.

7 years after 1974 = 1974+7 = 1981

8 0
3 years ago
Find the side length of the square
IgorLugansk [536]

the answer is 30.3

hope it helps

8 0
3 years ago
How do you make a function
dmitriy555 [2]
This site will tell you how https://sciencing.com/write-functions-math-8315770.html
I’m not very good at explaining it sorry
7 0
3 years ago
Use right triangle tools to find the unknown measures. Round lengths to the nearest tenth and angle measures to the nearest degr
timama [110]

Step-by-step explanation:

OP=11.2

m<Q= 42⁰

m<R=48⁰

The tools used are....

I have used the property of Pythagoras Theorm to get the length of side QP, I have also used the property of inverse function of sin to get the measure of angle Q and the property of sum of angles of triangle to get measure of angle of R

5 0
2 years ago
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