Probability and Statistics by Example pptx

... An= nth toss is a head, with  An = p and Probability and Statistics by Example: I Probability and statistics are as much about intuition and problem solving, asthey are about theorem ... series of texts and problem books, one by S. Ross [Ros1–Ros6], another by D. Stirzaker [St1–St4], and the third by G. Grimmett and D. Stirzaker [GriS1–GriS3].The books by Ross and Stirzaker are ... heads and tails) and John 2n;jointly 22n+1outcomes that are equally likely. Let HM and TMbe the number of Mary’sheads and tails and HJ and TJJohn’s, then HM+ TM= n + 1 and HJ+...

... uppercase “A” is represented as decimal 65 and an uppercase “B” as decimal 66, and so on. On the other hand, a lowercase “a” is 97 and a lowercase “b” is 98, and so on. If you compare “A” to “a,” ... watermark.Figure 6.6. Precision of numbers. Output from Example 6.6. In the next example, printf() will format a string and a number. Example 6.7. <?php $product_name = "Black shoes"; ... script and the addslashes() function. Output from Example 6.35. %% Slashes and the stripslashes() Function The stripslashes() function removes backslashes that precede quotation marks and if...

... Chapter 11, “Files and Directories,” we talk about files and how to open and close them, read from them and write to them, copy them, lock them, upload them, compress them, and more, all from ... input, how to send form data to files and databases, how to track users and their preferences, security issues, and so on. All of that is yet to come, but by now you should be able to answer the ... upload_file.php) <?php 6 $handle=fopen($_FILES['user_file']['tmp_name'], "r"); 7 while(!feof($handle)){ 8 $text=fgets($handle); echo $text,"<br...

... file and returns the number of bytes written, but does not require a filehandle. Otherwise it is the same as fwrite() and fputs(). Format int fwrite ( filehandle, string, [ int length] ) % Example: ... return and linefeed translation will be part of the byte count.) Format int ftell ( resource handle ) % Example: $filehandle("myfile", "r"); $contents=fgets($filehandle, ... ) % Example: $bytes=fwrite( $filehandle, "Peter Piper picked a peck of pickled peppers.\n"); $bytes=fwrite( $filehandle, "Jack in the Beanstalk", 4); Example 11.14. %%%...

... create a brand-new session. Remembering Users and Preferences over Multiple Pages The following example consists of three pages: the HTML form, a file that handles the form data and starts ... limitation of cookies is not a factor and sensitive information is not being passed back and forth across the network. This session file starts with “sess” followed by the session number (Apache/Windows). ... 16.14. The cookie file and the session file have the session ID in common. !!!Although cookies are the default way to pass the session ID back and forth between browser and server, you can also...

... followed by an arrow and the property name. $Heidi is an object of class Employee and thus has variables name, address, and phone. 10 We declare another object of type Employee and this time ... House class and creating a house object and accessing it. ###The gettype() and get_class() Functions PHP#provides#a#number#of#builtKin#functions#that#return#information#about#classes #and# objects.#Table#17.1#gives#you#a#complete#list.#Two#functions#that#will#be#helpful#as#you#start#learning#about#objects#are#the#gettype() #and# the#get_class()#functions.#As#you#might#remember#(see#Chapter#4,#“The#Building#Blocks”)#from#when#we#discussed#data#types,#the#gettype()#function#takes#a#variable#as#its#argument #and# returns#its#data#type,#such#as#string,#boolean,#array, #and# so#on.#It#will#return#“object”#if#the#argument#represents#an#object#that#was#created#using#the#new#keyword.#The#get_class()#function#will#tell#you#the#name#of#the#class#from#which#the#object#was#created.##Table ... principles of OOP are encapsulation and information hiding; that is, combining methods and properties into a class and keeping the class variables hidden from direct access by the class user. Data hiding...

... problem can be posted, identified, and resolved by other users and developers sharing your problem. Developers worldwide are constantly finding and resolving bugs and security holes, while working ... We will learn how to create and execute simple PHP scripts both from the browser and at the command line. We will talk about built-in functions and how to use them by viewing the PHP documentation ... Lerdorf was soon joined by a core group of developers, who continued to provide improvements and enhancements to the new language. By this time, there where thousands of users and approximately 50,000...

... fgets($filehandle); // Reads a character from file attached to $filehandle $char = fgetc($filehandle); // Reads chunk of bytes from file attached to $filehandle $text = fread($filehandle, $bytes ... a script and within functions. They are special variables provided by PHP to help you manage HTML forms, cookies, sessions, and files, and to get information about your environment and server. ... "$name lives in $state and earns \$salary."; Tom lives in New York and earns $80000. print "$name lives in $state and earns \$salary."; Tom lives in New York and earns $80000. !Shortcut...

... $x and $y and $z; echo "$x and $y and $z <em>yields</em> " . (int)$result .".\n<br />"; 4 $result = ($x and $y and $z); echo "($x and $y and ... HTML form from Example 5.11. **Figure 5.14. The PHP script output from Example 5.11. ** The Difference Between &&/|| and the Words and/ or You can use the words and and or to replace ... rules. An operator manipulates data objects called operands; for example, 5 and 4 are operands in the expression 5 + 4. Operators and operands are found in expressions. An expression combines...

... special significance and those characters are represented by HTML entities, special symbols starting with an ampersand and terminated with a semicolon; for example, the < and > symbols are ... See Example 7.1. Format if (condition){ statements1; } else{ statements2; } ! Example: if ( $x > $y ){ print "$x is larger"; } else{ print "y is larger"; } Example ... In!the!switch!expression,!the!value!of!$color!is!matched!against!the!values!of!each!of!the!following!case!labels.!(PHP!names!the!variable,!$color, !by! the!same!name!assigned!to!the!radio!button !and! assigns!to!the!varia b le!the!value!that!was!selected !by! the! user!when!he!or!she!clicked!the!button.!If!the!user!clicked!red,!then!$color!will!evaluate!to!red.)!See!Figures!7.6 !and! 7.7....