Sehlooho: Lipotso tsa Mohlala le Puisano ea Lintlha tsa Baahi
Pendahuluan
Lintlha tsa baahi ke tlhahisoleseling ea bohlokoa e bonts'ang maemo a baahi ba sebaka. Lintlha tsena li bapala karolo ea bohlokoa morerong oa nts'etsopele, phanong ea litšebeletso tsa sechaba, le ho etsa liqeto tsa maano a sechaba. Sengoloa sena se tla hlahloba mehlala e 'maloa ea mathata a amanang le lintlha tsa baahi, e lateloe ke puisano e tebileng ho fana ka kutloisiso e betere ea tlhahlobo le ts'ebeliso ea lintlha tsena.
Mohlala oa Potso ea 1: Ho Bala Kholo ea Baahi
Potso:
Motseng, palo ea baahi e tlalehiloe ho 150.000 ka 2020. Ka 2025, palo ea baahi e lebelletsoe ho fihla ho 165.000. Bala sekhahla se tloaelehileng sa kholo ea baahi selemo le selemo u sebelisa mokhoa oa kholo ea exponential.
Puisano:
Ho bala karolelano ea kholo ea baahi ka selemo ka mokhoa o potlakileng, re ka sebelisa foromo ea kholo ea baahi ka mokhoa o potlakileng ka tsela e latelang:
\[ P(t) = P_0 \times e^{(rt)} \]
Di mana:
– \( P(t) \) ke palo ea baahi ba ho qetela (2025)
– \( P_0 \) ke palo ea batho ba pele (ka 2020)
– \(r \) ke sekgahla sa kgolo ya baahi ka selemo
– \(t \) ke nako e pakeng tsa dilemo
Hoa tsebahala:
\[ P_0 = 150.000 \]
\[ P(t) = 165.000 \]
\[t = 5 \]
Re kenya boleng bona sebakeng sa equation:
\[ 165.000 = 150.000 \makgetlo a e^{(5r)} \]
Ho fumana boleng ba \(r \), re rarolla equation:
\[ \frac{165.000}{150.000} = e^{(5r)} \]
\[ 1.1 = e^{(5r)} \]
Re nka logarithm ea tlhaho mahlakoreng ka bobeli a equation:
\[ \ln(1.1) = 5r \]
\[ r = \frac{\ln(1.1)}{5} \]
\[r \hoo e ka bang \frac{0.0953}{5} \]
\[r \hoo e ka bang 0.01906 \]
Kahoo, sekhahla se tloaelehileng sa kgolo ya baahi ba selemo le selemo se ka ba 1,906%.
Mohlala oa Potso ea 2: Ho Bala Karolelano ea ho Itšetleha
Potso:
Ka 2021, motsana o ne o e-na le lintlha tsa baahi tse nang le lintlha tsa lilemo ka tsela e latelang:
– Palo ea baahi ba lilemo tse 0-14: batho ba 8.000
– Palo ea baahi ba lilemo tse 15-64: batho ba 32.000
– Palo ea batho ba lilemo tse 65 ho ea holimo: batho ba 5.000
Bala karolelano ea ho itšetleha ha motse.
Puisano:
Karolelano ea ho itšetleha ka batho ke karolelano ea baahi ba sa hlahiseng litholoana (ba ka tlase ho lilemo tse 15 le ho feta 64) ho baahi ba hlahisang litholoana (ba lilemo li 15-64). Karolelano ena e fana ka kakaretso ea moroalo oa moruo holim'a baahi ba hlahisang litholoana ho tšehetseng baahi ba sa hlahiseng litholoana.
Foromo ea karolelano ea ho itšetleha ke:
\[ \text{Dependency Ratio} = \left( \frac{\text{Baahi ba Lilemo tse 0-14 + Lilemo tse 65 le ho feta}}{\text{Baahi ba Lilemo tse 15-64}} \right) \times 100\% \]
Kenya boleng ka mokhoa o latelang:
\[ \text{Dependency Ratio} = \left( \frac{8000 + 5000}{32000} \right) \times 100\% \]
\[ \text{Dependency Ratio} = \left( \frac{13000}{32000} \right) \times 100\% \]
\[ \text{Dependency Ratio} \hoo e ka bang 40.625\% \]
Kahoo, karolelano ea batho ba itšetlehileng ka bona motseng ke hoo e ka bang 40,625%, ho bolelang hore baahi ba bang le ba bang ba lilemo tse 100 ba hlahisang litholoana ba tšehetsa baahi ba ka bang 41 ba sa hlahiseng litholoana.
Mohlala oa Potso ea 3: Ho Etsa Likhakanyo tsa Baahi
Potso:
Haeba karolelano ea sekhahla sa kholo ea baahi seterekeng e le 2% 'me baahi ba hona joale e le 20.000, boholo ba baahi bo lebelletsoeng ke bofe lilemong tse 10 tse tlang?
Puisano:
Ho etsa likhakanyo tsa baahi, re ka sebelisa foromo ea kholo ea exponential:
\[ P(t) = P_0 \makgetlo (1 + r)^t \]
Di mana:
– \( P_0 = 20.000 \)
– \(r = 0.02 \) (2% kgolo ka selemo)
– \(t = 10 \)
Kenya linomoro tsena sebakeng sa foromo:
\[ P(10) = 20.000 \makgetlo (1 + 0.02)^{10} \]
\[ P(10) = 20.000 \makgetlo (1.02)^{10} \]
\[ P(10) = 20.000 \makgetlo a 1.21899 \]
\[ P(10) \hoo e ka bang 24.380 \]
Kahoo, palo e lebeletsoeng ea baahi lilemong tse 10 tse tlang ke batho ba ka bang 24.380.
Ho koala
Ka ho utloisisa mokhoa oa ho bala kholo ea baahi, litekanyo tsa ho itšetleha ka batho, le likhakanyo tsa baahi, re ka bona bohlokoa ba lintlha tsa baahi maemong a fapaneng a leano le moralo. Lintlha tsena ha li thuse mebuso ho fana ka lits'ebeletso tse betere tsa sechaba feela empa hape li fa baahi temohisiso mabapi le nts'etsopele ea baahi le liphetoho metseng ea bona. Ho itloaetsa tlhahlobo le ts'ebeliso ea lintlha tsa baahi ke bokhoni ba bohlokoa haholo mehleng ea kajeno ea tlhaiso-leseling.
