The COVID-19 epidemic in Zambia has had significant social and economic impact on the health sector and wellbeing of the population. Hence it is vital to investigate the effect of various Interventions that were implemented to control the spread of the pandemic. Non-pharmaceutical interventions...
Download PDF ↓The COVID-19 pandemic is the biggest public health and economic challenge the world has faced for the past three years. Since there was no vaccine during the early phase of the pandemic, Botswana imposed lockdown as one of the non-pharmaceutical interventions to mitigate the COVID-19 burden....
Download PDF ↓This study aimed to determine the maximum likelihood (ML) estimates for the Gamma and Exponential distributions under conditions of left-truncated and right-censored data, employing the Expectation-Maximisation (EM) algorithm. Additionally, it sought to compare the performance of the EM algorithm...
Download PDF ↓In this dissertation we obtain quasi-deformations of the special linear Lie algebra of degree 2 over a eld F, abbreviated sl2(F). We take F to be a eld of characteristic zero. Our approach involves obtaining and deforming a linear operator representation of sl2(F) using-twisted derivations (with...
Download PDF ↓Mathematics is considered to be one of the most important school subjects in the curriculum worldwide. However, the pass rate for mathematics in Zambian secondary schools is very low. Reports have indicated that some of the challenges faced by candidates in mathematics could be attributed to...