The data from 200 endothermic reactions involving sodium bicarbonate are summarized as follows:

Final Temperature Conditions |
Number of Reactions |

266 K |
48 |

271 K |
60 |

274 K |
92 |

Calculate the probability mass function of final temperature.

Answer

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(a)

We have given a data from endothermic reactions involving sodium bicarbonate are summarized as follows:

Final Temperature Conditions | Number of Reactions |

266 K | 48 |

271 K | 60 |

274 K | 92 |

We are asked to find the probability mass function (PMF) of final temperature.

The probability mass function (PMF) of a discrete random variable is the function The probability mass function is sometimes called the probability distribution.

In other words, if we assume the list possible values like etc. along with the probabilities for each, provide a complete description of the population from which a random variable is drawn. This description has a name - the probability mass function (PMF).

Let represent the final temperature of endothermic reactions.

Hence...