Mathematics, 11.12.2020 06:00, jsdlfjlk1936
Samantha is preparing to do a survey of the language classes taken by ninth and tenth graders at her
high school
. Each student in ninth and tenth grade takes one language class. From school records, she
knows there are 158 students in the ninth grade, as shown in the table.
Language
Grade French Mandarin Spanish Total
9
r
$
158
10
у
Z
Total
Enter an expression to represent the conditional relative frequency that a student takes Mandarin, given
that the student is a tenth grader. Complete the explanation.
The conditional relative frequency is the number of tenth graders taking Mandarin divided by the
total number of students
The relative frequency can be represented by the expression
158
a
Answers: 2
Mathematics, 21.06.2019 19:00, ashrobbb
The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean
Answers: 3
Mathematics, 21.06.2019 19:30, MariaIZweird7578
Combine the information in the problem and the chart using the average balance method to solve the problem.
Answers: 2
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