Find the values of a through e that make these two relations inverses of each other. a = b = c = d = e = An image shows 2 tables
. The first table is a 2-column table with 5 rows. The first column is labeled x with entries negative 3.8, b, negative 1.4, negative 0.2, 1.0. The second column is labeled y with entries negative 3.1, 3.2, c, 4.4, 5.0. The second table is a 2-column table with 5 rows. The first column is labeled x with entries negative 3.1, 3.2, 1.7, d, 5.0. The second column is labeled y with entries a, negative 2.6, negative 1.4, negative 0.2, e.
2 answers:
Answer:
a = -3.8
b = -2.6
c = 1.7
d = 4.4
e = 1.0
Step-by-step explanation:
In the figure attached, the tables are shown.
In an inverse relationship, any point (x,y) in one table is transformed to (y,x) in the other one. For example, in Table A coordinate (1, 2) is present, then in Table B (the inverse), coordinate (2, 1) must be present.
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Answer:
26.11% of women in the United States will wear a size 6 or smaller
Step-by-step explanation:
Problems of normally distributed samples are solved using the z-score formula.
In a set with mean and standard deviation
, the zscore of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
In this problem, we have that:
In the United States, a woman's shoe size of 6 fits feet that are 22.4 centimeters long. What percentage of women in the United States will wear a size 6 or smaller?
This is the pvalue of Z when X = 22.4. So
has a pvalue of 0.2611
26.11% of women in the United States will wear a size 6 or smaller