Question 2 1 pt 1 Find the z-score such that the area under the standard normal curve to its right is 0.0336. 0.9664

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answerhappygod
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Question 2 1 pt 1 Find the z-score such that the area under the standard normal curve to its right is 0.0336. 0.9664

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Question 2 1 pt 1
Find the z-score such that the area under the standard normal
curve to its right is 0.0336.
0.9664
-1.83
1.83
0.2451
Question 3 1 pt
1
Determine the area under the standard normal curve that lies
between z = –1.30 and z = 2.16.
0.1131
0.8668
0.8878
0.8807
Question 4 1 pt
1
The national average for the math portion of the College Board's
Scholastic Aptitude Test (SAT) is 525 in 2017. The College Board
periodically rescales the test scores such that the standard
deviation is approximately 100. The distribution of the test scores
is bell-shaped. What percentage of students have an SAT math score
of less than 425?
68%
84%
16%
95%
Question 5 1 pt
1
According to the American Association of Medical Colleges, 30%
of students that graduate with a college GPA between 3.0 - 3.3 will
get accepted into an accredited medical school. If 140 students
applied to medical school with a GPA between 3.0 - 3.3, what is the
mean of the random variable X, the number of accepted students in a
sample of 140 college students?
98
36
75
42
Question 6 1 pt
1
According to the American Association of Medical Colleges, 30%
of students that graduate with a college GPA between 3.0 - 3.3 will
get accepted into an accredited medical school. If 140 students
applied to medical school with a GPA between 3.0 - 3.3, what is the
standard deviation of the random variable X, the number of accepted
students in a sample of 140 college students?
5.4
4.7
9.5
29.4
Question 7 1 pt
1
Suppose X is normally distributed with mean μ=75 and standard
deviation σ=5. Compute P(67 < X < 83).
0.3944
0.8904
0.7888
0.1056
Question 8 1 pt
1
Suppose X is normally distributed with mean μ=15 and standard
deviation σ=5. Find the 85th percentile for X.
22
19.1
19.5
20.2
Question 9 1 pt
1
In a USA Today/Gallup poll, 768 of 1024 randomly selected adult
Americans aged 18 years or older stated that a candidate’s
positions on the issue of family value are extremely or very
important in determining their vote for president. Obtain a point
estimate for the population proportion of adult Americans who
stated that a candidate’s positions on the issue of family value
are extremely or very important in determining their vote for
president.
0.686
0.252
0.750
0.521
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