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Pavlova-9 [17]
3 years ago
13

Can everyone help me with this please

Mathematics
1 answer:
Harrizon [31]3 years ago
7 0
For a chad drives 56 miles per hour. you got this by dividing 168 by 3.
for b it takes chad 12 hours and you got this by dividing 672 by 56.
for c, chads car gets 28 miles per gallon you got this by dividing 308 by 11
for d, chads car uses uses 24 gallons to travel 672 miles an you got this by dividing 672 by 28. hope this is right.:)

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4. Automobile policies are separated into two groups: low-risk and high-risk. Actuary Rahul examines low-risk policies, continui
ANTONII [103]

Answer:

Step-by-step explanation:

for n ∈ N

Since Actuary Rahul examines low-risk policies, continuing until a policy with a claim is found and then stopping.

∴ the probability that Actuary Rahul examines exactly n policies

(0.9)^{n-1}.(0.1)---(1)

the probability that Actuary Toby examines more than  exactly n policies

(0.8)^n---(2)

Given that policies are actually independent

∴ the probability that the event  (1) and (2) happens simultaneously is

(0.9)^{n-1}*(0.1)*(0.8)^n

∴  the probability that Actuary Rahul examines fewer policies than Actuary Toby

\sum ^\infty _{n=1} (0.9)^{n-1}*(0.1)*(0.8)^n\\\\=(\frac{0.1}{0.9} \sum ^\infty _{n=1}(0.72)^n\\\\=\frac{1}{9} (\frac{0.72}{0.28} )\\\\=\frac{2}{7} \\\\=0.2857

<h3>the probability that Actuary Rahul examines fewer policies than Actuary Toby is 0.2857</h3>
5 0
3 years ago
Hi I need help for my math class it’s due Saturday!
vichka [17]

Answer:

a) 21m - 0.87 = m

b) m = 0.0435 mg

21(0.0435) - 0.87 = 0.0435

0.9135 - 0.87 = 0.0435

0.0435 = 0.0435

True statement, so correct

c) 21m - 0.87 = m

20m = 0.87

m = 0.87/20

m = 0.0435 mg

4 0
3 years ago
Read 2 more answers
Helpppppppp!!!!!!!!!!!!pls
Anna35 [415]

Answer:

ccc

Step-by-step explanation:

6 0
3 years ago
Josh currently bench presses 150lbs. He increases that amount by 10% for a month for 3 months. About how much can he bench press
dimaraw [331]
He increased 30% so that means he can bench press 180lbs
7 0
3 years ago
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9 is what percent of 300?
shutvik [7]
The answer is 3! That’s what I think :)
6 0
3 years ago
Read 2 more answers
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