Question

The null hypothesis is that 20 per cent of the
passengers go in first class, but management
recognizes the possibility that this
percentage could be more or less. A random
sample of 400 passengers includes 70
passengers holding first class tickets. Can
the null hypothesis be rejected at 10 per cent
level of significance?​

Answer 1

Answer:

2(")$?$!$!!

Step-by-step explanation:

*+$(#)#;#)#)$;;$ xkxkxb

Answer 2

Answer:

111

Step-by-step explanation: