Grossmont College Math Statistics and Probability Quiz Questions

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Hello, please give the exact correct answers for these 8 questions beause I am using pearson and it needs exact answer to count as correct.thank you

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 Fail to reject the claim that the proportion of people who write with their left hand is 0.29 when the proportion is actually different from 0.29   

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he Ericsson method is one of several methods claimed to increase the likelihood of a baby girl. In a clinical trial, results could be analyzed with a formal hypothesis test
ith the alternative hypothesis of p > 0.5, which corresponds to the claim that the method increases the likelihood of having a girl, so that the proportion of girls is greater
Tan 0.5. If you have an interest in establishing the success of the method, which of the following P-values would you prefer: 0.999, 0.5, 0.95, 0.05, 0.01, 0.001? Why?
P
he P-value of
is preferred because it corresponds to the sample evidence that most strongly supports the
hypothesis that the method
ffective.
0.999
null
is
T
0.001
alternative
is not
다.
0.95
0.01
I
0.5
e
0.05
Claim: A majority of adults would erase all of their personal information online if they could. A software firm survey of 539 randomly selected adults showed that 58% of them
would erase all of their personal information online if they could. Complete parts (a) and (b) below.
a. Express the original claim in symbolic form. Let the parameter represent the adults that would erase their personal information.
or a decimal. Do not round.)
I
u
=
and alternative hypotheses.
9
< 1 p >
(Type
decimals. Do not round.)
+
b. Identify the null and alternative hypotheses.
Ho:
H:
(Typ
=
o
mio not round.)
р
u
V
H:
(Typ
mals. Do not round.)
р
th
b
=
u
Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69.2 bpm. For a random sample of 161 adult males, the mean pulse rate is 68.4 bpm and the
standard deviation is 10.9 bpm. Complete parts (a) and (b) below.
a. Express the original claim in symbolic form.
bpm
(Type an integer or a decimal. Do not round.)
b. Identify the null and alternative hypotheses.
Ho:
bpm
Hii
bpm
(Type integers or decimals. Do not round.)
Claim: The standard deviation of pulse rates of adult males is more than 11 bpm. For a random sample of 159 adult males, the pulse rates have a standard deviation of
11.3 bpm. Complete parts (a) and (b) below.
a. Express the original claim in symbolic form.
bpm
(Type an integer or a decimal. Do not round.)
b. Identify the null and alternative hypotheses.
Ho:
bpm
Hii
bpm
(Type integers or decimals. Do not round.)

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Tags:
p value

personal information

sufficient evidence

percentage of adults

claim reject

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