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Anna11 [10]
3 years ago
9

We are going to approximate f by three polynomials, of degrees 1, 2, and 3. Let's call them p1, p2, and p3, respectively. p1 wil

l be determined by the requirement that p1(1)
Mathematics
1 answer:
irina [24]3 years ago
3 0

Answer:7

Step-by-step explanation:

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Suppose that x has a binomial distribution with n = 201 and p = 0.45. (Round np and n(1-p) answers to 2 decimal places. Round yo
ycow [4]

Answer:

a) It can be used because np and n(1-p) are both greater than 5.

Step-by-step explanation:

Binomial distribution and approximation to the normal:

The binomial distribution has two parameters:

n, which is the number of trials.

p, which is the probability of a success on a single trial.

If np and n(1-p) are both greater than 5, the normal approximation to the binomial can appropriately be used.

In this question:

n = 201, p = 0.45

So, lets verify the conditions:

np = 201*0.45 = 90.45 > 5

n(1-p) = 201*(1-0.45) = 201*0.55 = 110.55 > 5

Since both np and n(1-p) are greater than 5, the approximation can be used.

3 0
3 years ago
Complete the equation of the line through <br> (-8,-2) (−4,6)
natka813 [3]

Answer:

(6+2)/(-4+8)= 8/4= 2

y+2=2(x+8)

y+2=2x+16

y=2x+14

Step-by-step explanation:

7 0
3 years ago
Part A: Find a rational number that is between 7.7 and 7.9. Explain why it is rational. (2 points)
cluponka [151]
Part A.
7.8 is a rational number between 7.7 and 7.9.
It is rational because it can be written as a fraction of integers, such as 78/10.

Part B.
sqrt(60) = 7.75
sqrt(60) cannot be written as a fraction of integers. It is a decimal number that never ends and never repeats.
7 0
3 years ago
A 600g packet of biscuits costs $2.40. Calculate How much would a 200g packet cost?
sp2606 [1]

Answer:

$0.8

Step-by-step explanation:

There is a relation of direct proportion between quantity of biscuit and its cost.

Let 200 g biscuit will cost $x.

Therefore,

\frac{600}{2.40}  =  \frac{200}{x} \\  \\ x =  \frac{2.40 \times 200}{600}   \\  \\ x = 0.4 \times 2 \\  \\ x = 0.8

3 0
3 years ago
A slice is made parallel to the base of a square pyramid.
strojnjashka [21]
The shape resulted is a square
5 0
3 years ago
Read 2 more answers
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