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stellarik [79]
3 years ago
9

The zoo uses 10 pounds of apples each day.how many pounds of apples should be on the weekly grocery list

Mathematics
1 answer:
balu736 [363]3 years ago
3 0
70 ... multiply 10 by7
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A softball pitcher has a 0.507 probability of throwing a strike for each pitch. If the softball pitcher throws 15 pitches, what
Elena L [17]

Answer:

The probability that the pitcher throws exactly 8 strikes out of 15 pitches is approximately 0.199

Step-by-step explanation:

The given probability that the pitcher throws a strike, p = 0.507

The number of pitches thrown by the pitcher = 15 pitches

The probability that the pitcher does not throw a strike, q = 1 - P

∴  q = 1 - 0.507 = 0.493

By binomial theorem, we have;

P(X = r) = \dbinom{n}{r}p^{r} \cdot q^{n-r}=  \dbinom{n}{r}p^{r} \cdot \left (1-p  \right )^{n-r}

When X = r =  8, and n = 15, we get;

The probability that the pitcher throws exactly 8 strikes out of 15 pitches, P(8), is given as follows

P(8) = ₁₅C₈ × 0.507⁸ × (1 - 0.507)⁽¹⁵ ⁻ ⁸⁾ = 6,435 × 0.507⁸ × 0.493⁷ ≈ 0.199

8 0
3 years ago
5. If the perimeter of the rectangle is 110cm, what is the length?
Elza [17]
Algebraic eq:
2(13) + 2(x+1) = 110

x= 41

width= 42
7 0
3 years ago
I need help on 5 a and b
coldgirl [10]
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10) The scale of a map is 1 inch represents 4 miles. How many miles does 0.5 inches represent?
scoundrel [369]

Answer:

2 miles

Step-by-step explanation:

1 in=4miles

0.5 in=2miles

so divide by two on each side

7 0
2 years ago
Read 2 more answers
Can someone help me please?
lakkis [162]
Choice A is correct
BC=DC
the two triangles share one angel C
the two triangles each have a right angle
so they are congruent according to Angle-Side_Side Theorem 
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3 years ago
Read 2 more answers
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