TS di namn factor sa Fiber sa computer mo po yan kung saan naka install ang xampp. Try to disable the Firewall or create exception sa firewall sa server.
"GET" po ang method mo po sa form? so dapat $_GET['name']
if(isset($_GET['submit'])){
$name=$_GET['name'];
$email=$_GET['email'];
$course=$_GET['course'];
$sqlString="INSERT INTO student VALUES('$name','$email','$course')";
$sqlQuery=mysqli_query($conn,$sqlString);
}...
try to review your code ts. make sure na na declare mo yung mga variables na ginagamit mo. example "asnwer" na ginamit mo to store the result of mathematical operation is hindi pareho yung na declare mo sa itaas is "double answer". syntactically incorrect/wrong spelling nalang para madali...
ts I will not give the code but I will give the basic flow and formula. gamit ng input stream (ex. scanner) tapos store mo sa variables. sa pagkuha ng percentage ng male and female is the number of male/female divided by the total number of students in a class multiplied by 100. Sorry ts ha pero...