What is the meaning of Expected_value?

5-letter words containing

• 5-letter words containing e

• 5-letter words containing e

• 5-letter words containing v

• 5-letter words containing k

• 5-letter words containing i

5-letter words starting with

• 5-letter words starting with e

• 5-letter words starting with s

• 5-letter words starting with e

• 5-letter words starting with i

• 5-letter words starting with c

5-letter words in the middle

• 5-letter words in the middle e

• 5-letter words in the middle o

• 5-letter words in the middle a

• 5-letter words in the middle r

• 5-letter words in the middle m

5-letter words ending with

• 5-letter words ending with p

• 5-letter words ending with i

• 5-letter words ending with l

• 5-letter words ending with d

• 5-letter words ending with i

5-letter words excluding

• 5-letter words excluding r

• 5-letter words excluding s

• 5-letter words excluding i

• 5-letter words excluding i

• 5-letter words excluding g