## Related questions with answers

According to the Agency for Healthcare Research and Quality, there were $409,706$ hospital visits for asthma-related illnesses in a recent year. The age distribution was as follows.

$\begin{array}{cr} \hline \text{Age Range} & \text{Number}\\ \hline \text{Less than 1 year} & 7,866\\ 1- 17& 103,040\\ 18 - 44 & 79,659\\ 45-64 & 121,728\\ 65 - 84 & 80,649\\ \text{85 and up} & 16,764\\ \hline \text{Total} & 409,706\\ \end{array}$

$\textbf{a.}\hspace{10pt}$ What is the probability that an asthma patient is between $18$ and $44$ years old?

$\textbf{b.}\hspace{10pt}$ What is the probability that an asthma patient is $65$ or older?

$\textbf{c.}\hspace{10pt}$ Using a cutoff of $0.05$, is it unusual for an asthma patient to be less than $1$ year old?

Solution

VerifiedThe age distribution of $409706$ hospital visits for asthma-related illness is tabulated below,

Age Range |
Number |
---|---|

Less than $1$ year | $7866$ |

$1-17$ | $103040$ |

$18-44$ | $79659$ |

$45-64$ | $121728$ |

$65-84$ | $80649$ |

$85$ and up | $16764$ |

Total | $409706$ |

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