Is Wikipedia trustworthy?

of teachers wikipedia isn't trustworthy because random people can change stuff on pages have. every time try change says on page tells me on account need make changes truthful , relevant page. have either people or computer looks on changed , decides if ok. why wikipedia isn't credible source?

all of teachers wikipedia isn't trustworthy because random people can change stuff on pages have. every time try change says on page tells me on account need make changes truthful , relevant page. have either...

Computers & Internet Internet Wikipedia Next