The central intelligence agency (cia) has specialists who analyze the frequencies of letters of the alphabet in an attempt to decipher intercepted messages. in standard english text, the letter i is used at a rate of 7.54%. find the mean and standard deviation for the number of times the letter i will be found on atypical page of 2400 characters. (round answer to one decimal place.) ? = 180.96 correct (round answer to two decimal places.) ? = 12.94 correct give the interval of usual values for the number of i's appearing on a page of 2400 characters. (enter answer as an interval using square-brackets only with whole numbers.) usual values = [181] incorrect

ou would have 12 of each

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d

there are 25 people coming to the party

step-by-step explanation:

the text says that there will be 22 children at this party, 1 teacher, and 2 parents. so if you add them all together (22+1+2) it will equal 25. (=25)

the answer is 8.64

step-by-step explanation: