Mathematics, 29.03.2021 04:40, CoolRahim9090

Suppose a coin is tossed 21 times in a row with equal probability of heads and tails
a. What is the probability that heads does not occur three times in a row?
That is, with 21 tosses, what is the probability heads is never immediately
followed by two other heads?

b. What is the probability that the coin is facing the same way three times in
a row (that is three heads in a row or three tails in a row) exactly once in
the 21 tosses?

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 22.06.2019 00:00, meganwintergirl

Can someone plz me understand how to do these. plz, show work. in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]

Answers: 3

continue

Mathematics, 22.06.2019 00:30, ejones123

Select the correct answer. employee earnings per month($) 1 1,200 2 2,600 3 1,800 4 1,450 5 3,500 6 2,800 7 12,500 8 3,200 which measure of spread is best for the data in the table? a. range b. quartiles c. interquartile range d. mean absolute deviation

Answers: 2

continue

Mathematics, 22.06.2019 00:30, alxiar19

Which equation could represent the relationship shown in the scatter plot? y=−3x−2 y=−3/4x+10 y=−2/3x+1 y=9x−12 scatter plot with x axis labeled variable x and y axis labeled variable y. points go from upper left to lower right.

Answers: 1

continue

Mathematics, 22.06.2019 01:30, FreddyNoTalKing

Solve 30% of what = 60 step by step

Answers: 1

continue

Do you know the correct answer?

Suppose a coin is tossed 21 times in a row with equal probability of heads and tails
a. What...