Sylvia set a treadmill for 38 minutes, and so far she has run 61% of the minutes Which is the best estimate for the number of minutes Sylvia has run so far?
O 18 minutes
O 21 minutes
O 24 minutes
O 28 minutes

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

The trigonometric ratios sine and secant are reciprocals of each other

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next