Harpinder S File Home Insert Page Layout Formulas Data Review View Help X Arial 12 A A General Insert LG Paste B I U v a- A v $ % Conditional Format as Cell Delete Formatting ~ Table ~ Styles ~ Format ~ Undo Clipboard Font Alignment Number Styles Cells P20 A B F G H 10 11 The probability distribution for the number of errors, x, on pages from engineering textbooks from a publisher is as follows: 12 13 14 15 numebr of errors P (x) 16 17 o 0.8 18 1 0.1 19 2 0.07 20 0.02 21 0.01 22 23 24 25 a) Show that the probability table above show a frequency distribution 26 27 name Q1 02 QB 04 05 Q6 Summary Ready Accessibility: Investigate ENG O USPaste BI U - E E $ ~ % " Conditional Formatting Undo Clipboard Font Alignment Number P20 XVfx B C D E F G H 25 a) Show that the probability table above show a frequency distribution. 26 27 28 29 30 31 32 33 34 b) What is the probability that there are more there is at least one error in each page? 35 36 38 39 40 41 c) On average, how many errors are in each page of the books? 42 43 44 45 46 47 48 name Q1 Q2 Q3 Q4 05 Q6 Summary Ready x Accessibility: Investigate OFile Page Layout Formulas View Home Insert Data Review Help 12 A General Arial Cell B I U $ ~ % ? Conditional Format as Paste Formatting ~ Table ~ Styles ~ Alignment Number Styles Undo Clipboard Font P20 XV fx E F G H 46 47 48 49 d) What is the variance and standard deviation of the number of errors? 50 51 2 mar 52 53 54 55 56 57 58 59 (e) What is the probability that there are either 2 or 3 erros in each page? 60 2 mark 61 62 63 64 65 66 67 68 69 name QT 02 03 04 05 06 Summary Ready Accessibility Investigate X