What is the expected number? ,What is the probability that between 42 and 47 (inclusive) consider the availability of company-sponsored training as a factor to weigh in taking a job?

With the growing emphasis on technology and the changing business environment, many workers are discovering that training such as reeducation; skill development and personal growth are of great assistance in the job marketplace. A recent Gallup survey found that 80% of Generation Xers considered the availability of company-sponsored training as a factor to weigh in taking a job. If 50 Generation Xers are randomly sampled, what is the probability that fewer than 35 consider the availability of company-sponsored training as a factor to weigh in taking a job? What is the expected number? ,What is the probability that between 42 and 47 (inclusive) consider the availability of company-sponsored training as a factor to weigh in taking a job?