Create a story problem for 2/3×2/4

Mathematics

2 answers:

Vaselesa [24]3 years ago

5 0

Answer:

Step-by-step explanation:

Jim gets 2/3 of a dollar for allowence. His brothers tell him that he can have 1/2 more if he tells them how much money. He gets excited and tells them 1/3 of a dollar. He was tricked lma o

Svetlanka [38]3 years ago

5 0

Answer:

Im having a party and 6 girls will each be bringing 2/3 of a pizza. And 4 boys will be bringing 2/4 of a pizza. How much pizza will we have at the party?

Step-by-step explanation:

2/3 times 6 = 4 pizzas and 2/4 times 4= 2 pizzas. 4+2=6 pizzas

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X 4 6 9 11 15

Kitty [74]

The mean of this discrete random variable is 7.96

Solution:

Given that,

x 4 6 9 11 15

P(x) 0.20 0.34 0.15 0.22 0.09

Mean is given as:

$\mu_{x}=\sum[x \times P(x)]$

Therefore,

$\mu_{x} = (4 \times 0.20) + (6 \times 0.34 ) + (9 \times 0.15 ) + (11 \times 0.22 ) + (15 \times 0.09)\\\\Simplify\\\\\mu_{x} = 0.8 + 2.04 + 1.35 + 2.42 + 1.35\\\\\mu_{x} = 7.96$