Question
In: Statistics and Probability
A gender-selection technique is designed to increase the likelihood that a baby will be a girl....
A gender-selection technique is designed to increase the likelihood that a baby will be a girl. In the results of the gender-selection technique, 964 births consisted of 504 baby girls and 460 baby boys. In analyzing these results, assume that boys and girls are equally likely.
a. Find the probability of getting exactly 504 girls in 964 births.
b. Find the probability of getting 504 or more girls in 964 births. If boys and girls are equally likely, is 504 girls in 964 births unusually high?
c. Which probability is relevant for trying to determine whether the technique is effective: the result from part (a) or the result from part (b)?
d. Based on the results, does it appear that the gender-selection technique is effective?
Solutions
orchestra answered 2 years agoRelated Solutions
A gender-selection technique is designed to increase the likelihood that a baby will be a girl....
A gender-selection technique is designed to increase the
likelihood that a baby will be a girl. In the results of the
gender-selection technique, 994 births consisted of 521 baby girls
and 473 baby boys. In analyzing these results, assume that boys
and girls are equally likely.
a. Find the probability of getting exactly 521 girls in 994
births.
b. Find the probability of getting 521 or more girls in 994
births. If boys and girls are equally likely, is 521...
A gender-selection technique is designed to increase the likelihood that a baby will be a girl....
A gender-selection technique is designed to increase the
likelihood that a baby will be a girl. In the results of the
gender-selection technique, 860 births consisted of 433 baby girls
and 427 baby boys. In analyzing these results, assume that boys
and girls are equally likely. a. Find the probability of getting
exactly 433 girls in 860 births. b. Find the probability of getting
433 or more girls in 860 births. If boys and girls are equally
likely, is 433...
A gender-selection technique is designed to increase the likelihood that a baby will be a girl....
A gender-selection technique is designed to increase the
likelihood that a baby will be a girl. In the results of the
gender-selection technique, 803 births consisted of 420 baby girls
and 383 baby boys. In analyzing these results, assume that boys
and girls are equally likely.
a. Find the probability of getting exactly 420 girls in 803
births.
b. Find the probability of getting 420 or more girls in 803
births. If boys and girls are equally likely, is 420...
A gender-selection technique is designed to increase the likelihood that a baby will be a girl....
A gender-selection technique is designed to increase the
likelihood that a baby will be a girl. In the results of the
gender-selection technique,961 births consisted of 501 baby girls
and 460 baby boys. In analyzing these results, assume that boys
and girls are equally likely.a.
Find the probability of getting exactly 501 girls in 961
births.
b. Find the probability of getting 501 or more girls in 961
births. If boys and girls are equally likely, is 501 girls in...
A gender-selection technique is designed to increase the likelihood that a baby will be a girl....
A gender-selection technique is designed to increase the
likelihood that a baby will be a girl. In the results of the
gender-selection technique,
831831
births consisted of
426426
baby girls and
405405
baby boys. In analyzing these results, assume that boys and
girls are equally likely.a. Find the probability of getting
exactly
426426
girls in
831831
births.b. Find the probability of getting
426426
or more girls in
831831
births. If boys and girls are equally likely, is
426426
girls in...
A gender-selection technique is designed to increase the likelihood that a baby will be a girl....
A gender-selection technique is designed to increase the
likelihood that a baby will be a girl. In the results of the
gender-selection technique,
862862
births consisted of
448448
baby girls and
414414
baby boys. In analyzing these results, assume that boys and
girls are equally likely.
a. Find the probability of getting exactly
448448
girls in
862862
births.
b. Find the probability of getting
448448
or more girls in
862862
births. If boys and girls are equally likely, is
448448...
A gender-selection technique is designed to increase the likelihood that a baby will be a girl....
A gender-selection technique is designed to increase the
likelihood that a baby will be a girl. In the results of the
gender-selection technique,
861861
births consisted of
443443
baby girls and
418418
baby boys. In analyzing these results, assume that boys and
girls are equally likely.
a. Find the probability of getting exactly
443443
girls in
861861
births.
b. Find the probability of getting
443443
or more girls in
861861
births. If boys and girls are equally likely, is
443443...
Statistical Significance. In an experiment testing a method of gender selection intended to increase the likelihood that a baby is a girl
Statistical Significance. In an experiment testing a method of
gender selection intended to increase the likelihood that a baby is
a girl, 1000 couples give birth to 501 girls and 499 boys. An
analyst argues that this fails to provide evidence that the method
has any effect, because the probability of getting these results by
chance is 0.487, or almost 50%.
In a test of a gender-selection technique, results consisted of 282 baby girls and 300 baby...
In a test of a gender-selection technique, results consisted of
282 baby girls and 300 baby boys. Based on this result, what is
the probability of a girl born to a couple using this technique?
Does it appear that the technique is effective in increasing the
likelihood that a baby will be a girl? The probability that a girl
will be born using this technique is approximately nothing. (Type
an integer or decimal rounded to three decimal places as
needed.)
1).In a test of a gender-selection technique, results consisted of 249 baby girls and 19 baby...
1).In a test of a gender-selection technique, results consisted
of 249
baby girls and 19 baby boys. Based on this result, what is the
probability of a girl born to a couple using this technique? Does
it appear that the technique is effective in increasing the
likelihood that a baby will be a girl?
The probability that a girl will be born using this technique is
approximately ? (Type an integer or decimal rounded to
three decimal places as needed.)
2.)In...
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