## Discussion Forum

Que. | Suppose that from given statistics, it is known that meningitis causes stiff neck 50% of the time, that the proportion of persons having meningitis is 1/50000, and that the proportion of people having stiff neck is 1/20. Then the percentage of people who had meningitis and complain about stiff neck is: |

a. | 0.01% |

b. | 0.02% |

c. | 0.04% |

d. | 0.05% |

Answer:0.02% |