(Business Mathematics & Statistics) 2024-02-18

 : [09.00 – 12.00]

09

01

x
 X

x y

“x” “y”

X
x

“a”

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 Friday
Thursday
Wednesday
Tuesday
Monday
Sunday

0 10 20 30 40 50 60 70 80 90

……………

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 y = 3 - 2x x y

02

[ ]

03
[ ] [ ]

“ ”

[ ] [ ]

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 [ ]

04

x
y

x
y

y = a + bx

05

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06

[ ]

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 :
: 𝑥:
𝑎𝑥 𝑏𝑥 𝑐 𝑥
𝑛
𝑓𝑥
𝑏± 𝑏 𝑎𝑐
𝑥 𝑓
𝑎 :
Md = (n + 1)th term
2
n -F
Tn = a + (n - 1) d c
Md = L1 + 2 XC
fm
n :
n ∆1
S { a n- d} M0 = L1 + XC
∆1 + ∆2

: 𝜎:

Tn = arn-1
𝑥− 𝑥 2 𝑥2
n : 𝑥
𝑛 𝑛
{𝑟 𝑛 − }
𝑆 𝑎 𝑟>
{𝑟− }

{ −𝑟 𝑛 } 𝑓 𝑥− 𝑥 2 𝑓𝑥 2
𝑆 𝑎 𝑟< 𝑥
{ −𝑟}
𝑓 𝑓

𝑆 𝑛𝑎 𝑟

𝜎
= X 100
𝑥
:
𝑆 𝑋 𝑛𝑟

:
𝑆 𝑋{ 𝑟}𝑛

[𝑛 𝑥𝑦 𝑥 𝑦]
×
+𝑟 𝑛
{[𝑛 𝑥 𝑥 ] × [𝑛 𝑦 𝑦 ]}

𝑆𝑅 𝑛 𝑅
𝐴
{𝑅𝑛 }
[𝑛 𝑥𝑦 − 𝑥 𝑦]
b=
[𝑛 𝑥2 – 𝑥 2]

EIR = { 𝑟 𝑛
} a=𝑦 𝑏𝑥

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 Y TxSxCxR
𝑝1
𝑝0
×

𝑞1
𝑞0
×
-
𝑣1 𝑝1 𝑞1
0
= 𝑝0 𝑞0
× 100

𝑝1 -
𝑝0
×

𝑞1
𝑞0
× P (A) –

𝑝1
𝑛 𝑝0
×

𝑞1
𝑛 𝑞0
×

P (A B) = P (A) + P (B) – P (A B)

𝑃 𝐴 𝐵
P (A/B) = 𝑃 𝐵
𝑝1 𝑞0
𝑝0 𝑞0
×

𝑞1 𝑝0
𝑞0 𝑝0
×
𝐸 𝑋 𝑝𝑟𝑜𝑏𝑎𝑏𝑖𝑙𝑖𝑡𝑦 × 𝑝𝑎𝑦 𝑜𝑓𝑓) 𝑝×𝑥
𝑝1 𝑞1
𝑝0 𝑞1
× 𝑉𝐴𝑅 𝑋 𝑝𝑥 𝑝𝑥

𝑞1 𝑝1
𝑞0 𝑝1
×
𝑥 𝜇
𝑍
𝜎
𝑝1 𝑤
𝑝0 𝑤
×

𝑞1 𝑤
𝑞0 𝑤
×

[ 𝑤 ×𝐼𝑝 ]
= 𝑤
×

[ 𝑤 ×𝐼𝑞 ]
= 𝑤
×

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