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3 years ago

15

I need help in like 1 minute pleaseee

1 answer:

stellarik [79]3 years ago

3 0

It’s 88 not sure tho your welcome

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A university knows from historical data that 25% of students in an introductory statistics class withdraw before completing the

Vikki [24]

Answer:

13.4%

Step-by-step explanation:

Use binomial probability:

P = nCr p^r q^(n-r)

where n is the number of trials,

r is the number of successes,

p is the probability of success,

and q is the probability of failure (1-p).

Here, n = 16, r = 2, p = 0.25, and q = 0.75.

P = ₁₆C₂ (0.25)² (0.75)¹⁶⁻²

P = 120 (0.25)² (0.75)¹⁴

P = 0.134

There is a 13.4% probability that exactly 2 students will withdraw.

8 0

4 years ago

What should be completed first when simplifying 2(x - 3) + 6(4x + 1)?

Over [174]

Answer:

parantheses

Step-by-step explanation:

6 0

4 years ago

Plz answer quick I need to get it bc it’s a quiz

ZanzabumX [31]

Answer:

slope equals 2

Step-by-step explanation:

graph points and calculate rise over run

8 0

3 years ago

Read 2 more answers

Jamal states that ax + b = a(x + c), given a, b, and c are not equal to 0. What must be the value of c for Jamal's statement to

Anna35 [415]

ANSWER

For Jamal statement to be true,

$c = \frac{b}{a}$

EXPLANATION

The given statement is:

ax + b = a(x + c)

We expand the left hand side to obtain,

ax + b = ax + ac

Subtract ax from from both sides of the equation.

b=ac

We know that, a≠0 , so we can divide through by 'a'.

$\frac{b}{a} = c$

6 0

4 years ago

Which option below best describes the polynomial 4x3 + 3x2 - 1 ?

agasfer [191]

The answer is 17
4x3=12
3x2=6
12+6=18
18-1=17

8 0

3 years ago