WGU C955 Applied Probability and Statistics Bundle

Changing Improper Fractions and Mixed Numbers CORRECT ANSWER Improper fractions can be converted to mixed numbers by following these steps: Write division problem with numerator divided by denominator. Divide to determine quotient and remainder. Write mixed number with the quotient as the w...

Identify the number of terms and the coefficient for the x term in the expression: 4x−3y+7 a Terms: 2 ; Coefficient: −3 b Terms: 2 ; Coefficient: 4 c Terms: 3 ; Coefficient: −3 d Terms: 3 ; Coefficient: 4 CORRECT ANSWER Terms: 3 ; Coefficient: 4 What is the equation of the graph i...

A researcher wants to know if there was a relationship between student age and desire to complete a college degree. To answer this question, the researcher used a local community college as the sampling frame and then used stratified sampling to get a sample of students from 18 to 80 years old. Base...

The relationship between the two variables on a scatterplot can be measured by what statistic? {{ Scatterplot of sales on the x-axis and profit index on the y-axis. }} a Correlation coefficient ( r ) b Regression c ANOVA d Chi-square CORRECT ANSWER Correlation coefficient ( r ) A study ...

If 200 people are surveyed, how many claim to have had no exercise? {{ Pie chart reflecting the average number of hours exercised per week. No exercise 36%, 1 - 2 hours 28%, 3 - 4 hours 12%, 4 - 5 hours 10%, 5 - 6 hours 8%, 6 - 7 hours 4%, more than 7 hours 2%. }} a 18 b 36 c 72 d Canno...

Basic probability CORRECT ANSWER #of total come# of total outcome in the sample space P(B | A) CORRECT ANSWER conditional probability P(A and B)=P(A) • P(B) CORRECT ANSWER multiplication rule- independent events P(A and B)= P(A) • P(B|A) CORRECT ANSWER multiplication rule- dependent e...