Let K be the number of heads in

Litzy Wallace

Litzy Wallace

Answered question

2022-03-21

Let K be the number of heads in 200 flips of a coin. The null hypothesis H is that the coin is fair. Devise significance tests with the folowng properties.
Note: Your answers below must be integers
a) The signficance level is α =0.08 and the rejection set R has the form {|KE[K]|>c}.
Use the Central Limit theorem to find the accsptane ce set A.
A={,,}
b) Now tho significance level is α = 0.016 and the rejection set R has the form {K>c1}
Again, use tho Central Limit Theorem to find tho accaptance set A.
A={,,}

 

Answer & Explanation

Rachettolyf8

Rachettolyf8

Beginner2022-03-22Added 9 answers

Given
P=0.5
n=200
calculation:
From the given data
P=12=0.5n=200
a) level of significance ()=0.08
Zα2=Z0.082=Z0.04=1.751 (from Z table)
Thus,
p^±α2p^(1p^)n=0.5±1.751×0.5×0.5200
=0.5±0.06191
=0.43809, 0.56191
Accepntance set A=(0.43809×200,0.56191×200)
=87.68, 112.382
=(87.62, 112.38)
=(88, 113)
b) ∝=0.16
Zα2=Z0.0162=Z0.008=2.409
p^±α2p^(1p^)n=0.5±2.409×0.5×0.5200
=0.5±0.5852
=(0.4148, 0.5852)
Accepntance set A=(0.4148×200,0.5852×200)
=(82.96, 117.04)
=(83, 118)

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