Question

ᴛᴡᴏ ᴄᴏɪɴs ᴀʀᴇ ᴛᴏssᴇᴅ sɪᴍᴜʟᴛᴀɴᴇᴏᴜsʟʏ 80 ᴛɪᴍᴇs ᴀɴᴅ ᴛʜᴇ ᴅᴀᴛᴀ ʀᴇᴄᴏʀᴅᴇᴅ ᴀs:

$\tiny\boxed{\begin{array}{cc} \: \sf Number\: of \:heads \: in \:a \:trial & \sf Frequency \\\frac{\qquad \qquad \qquad \qquad}{}&\frac{\qquad \qquad \qquad \qquad}{}& \\\sf 0&\sf 20 \\\ \\ \sf 1 &\sf 35 &\sf \\ \\ \sf 2 &\sf 25 \end{array}}$
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ᴛʜᴇ ᴘʀᴏʙᴀʙɪʟɪᴛʏ ᴏꜰ ɢᴇᴛᴛɪɴɢ ᴛᴡᴏ ʜᴇᴀᴅs ɪɴ ᴀ ᴛʀɪᴀʟ ɪs :

$\sf{(a) \dfrac{1}{4}}$

$\sf{(b)\: \dfrac{1}{3} }$

$\sf{(c)\: \dfrac{7}{16} }$

$\sf{(d)\:None\:of\:these}$
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Answer 1

Answer:

your answer is option (d) None of these

Hope it will help you

Answer 2

Answer:

no ot these its 25/80 which is 5/16