Solve the problem.
-The following string of B's and G's was obtained from tossing a quarter 40 times. Heads were listed as B and tails as G . Use this simulation to estimate the probability of two girls being born in succession.
$\{ \text { BBGGGGGBGGBBGGGBGGBBBGBBGBBBBGGBBGGBGGBG } \}$
A) $\frac { 10 } { 40 }$
B) $\frac { 10 } { 39 }$
C) $\frac { 11 } { 40 }$
D) $\frac { 11 } { 39 }$

Question

Solve the problem.
-The following string of B's and G's was obtained from tossing a quarter 40 times. Heads were listed as  B  and tails as  G . Use this simulation to estimate the probability of two girls being born in succession.
$\{ \text { BBGGGGGBGGBBGGGBGGBBBGBBGBBBBGGBBGGBGGBG } \}$
A) $\frac { 10 } { 40 }$
B) $\frac { 10 } { 39 }$
C) $\frac { 11 } { 40 }$
D) $\frac { 11 } { 39 }$

Quizplus · Accepted Answer

There are 11 occurrences of "GG" in the string. Since there are 39 possible pairs of consecutive letters in a 40-letter string, the probability is $\frac{11}{39}$.

Solve the Problem { BBGGGGGBGGBBGGGBGGBBBGBBGBBBBGGBBGGBGGBG }\{ \text { BBGGGGGBGGBBGGGBGGBBBGBBGBBBBGGBBGGBGGBG } \}{ BBGGGGGBGGBBGGGBGGBBBGBBGBBBBGGBBGGBGGBG } A) 1040\frac { 10 } { 40 }4010​

Solve the Problem $\{ \text { BBGGGGGBGGBBGGGBGGBBBGBBGBBBBGGBBGGBGGBG } \}$ A) $\frac { 10 } { 40 }$