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:

ғɪɴᴅ ᴀʟʟ ʀᴀᴛɪᴏɴᴀʟ ᴢᴇʀᴏᴇs ᴏғ ᴘ(x) = $\sf{x^{3}\:+\:7x\:+6}$$<marquee direction=right>$ ❤ᴍᴀɢɪᴄᴀʟᴘɪᴇ❤