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mylen [45]
3 years ago
8

If a jelly bean machine contains 16 pink jelly beans, 34 blue jelly beans, 24 black jelly beans, and 26 purple jelly beans, what

is the probability that a jelly bean chosen at random will be pink?
Mathematics
2 answers:
Thepotemich [5.8K]3 years ago
8 0
There are 16 pink jelly beans.
There are 16+34+24+26=100 jelly beans in total.

P=\frac{16}{100}=16\% = \frac{4 \times 4}{25 \times 4}=\frac{4}{25}

The probability is 4/25, or 16%.
Inessa05 [86]3 years ago
7 0

Answer: the answer is 6/25. Apex

Step-by-step explanation:

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2/5 × 6/7= simplify form​
kirill115 [55]

Answer:

2 x 6 = 12

5 x 7 = 35

12/35

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
If f(x) = 6 – 5x and g(x) = 4x – 1, evaluate f(x) – g(x) for x = –2.
pogonyaev
Hello :
<span>f(x) = 6 – 5x and g(x) = 4x – 1
f(x)-g(x) = 6-5x-(4x-1) = 6-5x-4x+1 = -9x+7
whene x = - 2
f(x)-g(x) = -9(-2)+7 = 25......(answer : D)</span>
6 0
3 years ago
Suppose we take two different random samples from the same population of test scores. The population mean and standard deviation
Leto [7]

Answer:

The 95% confidence interval obtained with a sample size of 64 will give greater precision.            

Step-by-step explanation:

We are given the following in the question:

A 95% confidence interval is calculated with the following sample sizes

n_1 = 25\\n_2 = 64

The population mean and standard deviation are unknown.

Effect of sample size on confidence interval:

  • As the sample size increases the margin of error decreases.
  • As the margin of error decreases the width of the confidence level decreases.
  • Thus, with increased sample size the width of confidence level decreases.

If we want a confidence interval with greater precision that is smaller width, we have to choose the higher sample size.

Thus, the 95% confidence interval obtained with a sample size of 64 will give greater precision.

3 0
3 years ago
Evaluate if x=-4 and y=13 3(2x- y)
Katena32 [7]

Answer:

-63

Step-by-step explanation:

6x - 3y

= 6 × -4 - 3 × 13

= -24 - 39

= -63

8 0
3 years ago
a pumpkin pie is made in a pie pan measuring 9 inches in diameter. it is cut into 8 equal slices. what is the length of the crus
lukranit [14]
The length of the pie is 72
7 0
3 years ago
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