The amount of time needed for a certain machine to process a job is a random variable with mean ( ) 10minutes e xi = and ( ) 2 var 2minutes. Xi = the time needed for different jobs are independent from each other. Find the probability that the machine processes fewer than or equal to 40 jobs in 7 hours

Afixed resistor has the following color bands: orange, red, brown, gold. what is the rated resistance

Hree steps to answering test questions correctly include a. underlining, repeating, reading c. reading, undoing, eliminating b. reading, underlining, erasing d. reading, underlining, eliminating

Tortoise shells and snail shells are similar in function: they protect the organism from predators. based on a comparison of the organisms in the images, what can you conclude? 1. tortoises and snails have homologous organs, and they’re evolutionarily related. 2. tortoises and snails have homologous organs, and they belong to same species. 3. tortoises and snails have analogous organs, and they belong to the same species. 4. tortoises and snails have analogous organs, and they don’t belong to the same species. 5. tortoises and snails have analogous organs, and they aren’t evolutionarily related.