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3 years ago

What are you required to do when you want to use a discount membership to save money?

Mathematics

2 answers:

deff fn [24]3 years ago

7 0

You would purchase a large amount of the item

Pani-rosa [81]3 years ago

3 0

Hello there!

You would purchase a large amount of the item.

Hope This Helps You!
Good Luck :)

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2 lines form intersecting at a right angle a. form a line b. are parallel b. are perpendicular c. form a ray

Nonamiya [84]

Two lines intersecting at a right angle would be perpendicular. Parallel lines do not cross or touch each other, and rats don’t form right angles. Perpendicular lines are horizontal and vertical crossing together to form a right angle.

Hope this helps!

5 0

3 years ago

Jamie is ordering buses for the school trip. There are 218 students at Park Avenue who are going on the trip. Each bus can hold

Katena32 [7]

Answer:

she should add a bus , because u need to have enough buses for all students, u cant just leave some behind

Step-by-step explanation:

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2 years ago

How many 1/4 cup serving are in a 6 cup container

Ray Of Light [21]

Answer:

Step-by-step explanation:

6 ÷ 1/4 = 6 × 4 = 24

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2 years ago

Read 2 more answers

Graph y= -2x+7. Help please

musickatia [10]

Answer:

There you go fam, That website is really useful btw, you should use it, if u want ill give you the link, just comment

Step-by-step explanation:

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2 years ago

assume that when adults with smartphones are randomly selected 15 use them in meetings or classes if 15 adult smartphones are ra

Tanzania [10]

Answer:

The probability that at least 4 of them use their smartphones is 0.1773.

Step-by-step explanation:

We are given that when adults with smartphones are randomly selected 15% use them in meetings or classes.

Also, 15 adult smartphones are randomly selected.

Let X = <em>Number of adults who use their smartphones</em>

The above situation can be represented through the binomial distribution;

$P(X = r) = \binom{n}{r}\times p^{r} \times (1-p)^{n-r} ; n = 0,1,2,3,.......$

where, n = number of trials (samples) taken = 15 adult smartphones

r = number of success = at least 4

p = probability of success which in our question is the % of adults

who use them in meetings or classes, i.e. 15%.

So, X ~ Binom(n = 15, p = 0.15)

Now, the probability that at least 4 of them use their smartphones is given by = P(X $\geq$ 4)

P(X $\geq$ 4) = 1 - P(X = 0) - P(X = 1) - P(X = 2) - P(X = 3)

= $1- \binom{15}{0}\times 0.15^{0} \times (1-0.15)^{15-0}-\binom{15}{1}\times 0.15^{1} \times (1-0.15)^{15-1}-\binom{15}{2}\times 0.15^{2} \times (1-0.15)^{15-2}-\binom{15}{3}\times 0.15^{3} \times (1-0.15)^{15-3}$

= $1- (1\times 1\times 0.85^{15})-(15\times 0.15^{1} \times 0.85^{14})-(105 \times 0.15^{2} \times 0.85^{13})-(455 \times 0.15^{3} \times 0.85^{12})$

= <u>0.1773</u>

3 0

3 years ago