Verify that the following function is a probability mass function, and determine the requested probabilities. f left-parenthesis x right-parenthesis equals left-parenthesis 125divided by 31right-parenthesis left-parenthesis 1 divided by 5right-parenthesis superscript x , round your answers to four decimal places (e. g. 98.7654). is the function a probability mass function

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?