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lara31 [8.8K]
3 years ago
10

A letter is chose at random from the word PROGRESSIVENESS.

Mathematics
1 answer:
Vitek1552 [10]3 years ago
5 0

Answer:

2nd option

Step-by-step explanation:

ggggushdhdhdhcghfjf

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the average pumpkin weigh 6 lb the prize-winning pumpkin weighs 324 lb the prize-winning pumpkin weighs as much as how many aver
andrey2020 [161]

With this problem, it's essentially asking how many groups of 6 can fit into 324. We can do that simply by dividing 324 by 6 to get 54.

8 0
3 years ago
What type of relationship does this equation represent?
Klio2033 [76]

Answer:

Nonproportional

Step-by-step explanation:

hope it helps.

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2 years ago
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he amount of time that a customer spends waiting at an airport check-in counter is a random variable with mean 8.3 minutes and s
sp2606 [1]

Complete question:

He amount of time that a customer spends waiting at an airport check-in counter is a random variable with mean 8.3 minutes and standard deviation 1.4 minutes. Suppose that a random sample of n equals 47 customers is observed. Find the probability that the average time waiting in line for these customers is

a) less than 8 minutes

b) between 8 and 9 minutes

c) less than 7.5 minutes

Answer:

a) 0.0708

b) 0.9291

c) 0.0000

Step-by-step explanation:

Given:

n = 47

u = 8.3 mins

s.d = 1.4 mins

a) Less than 8 minutes:

P(X

P(X' < 8) = P(Z< - 1.47)

Using the normal distribution table:

NORMSDIST(-1.47)

= 0.0708

b) between 8 and 9 minutes:

P(8< X' <9) =[\frac{8-8.3}{1.4/ \sqrt{47}}< \frac{X'-u}{s.d/ \sqrt{n}} < \frac{9-8.3}{1.4/ \sqrt{47}}]

= P(-1.47 <Z< 6.366)

= P( Z< 6.366) - P(Z< -1.47)

Using normal distribution table,

NORMSDIST(6.366)-NORMSDIST(-1.47)

0.9999 - 0.0708

= 0.9291

c) Less than 7.5 minutes:

P(X'<7.5) = P [Z< \frac{7.5-8.3}{1.4/ \sqrt{47}}]

P(X' < 7.5) = P(Z< -3.92)

NORMSDIST (-3.92)

= 0.0000

3 0
2 years ago
PLZZZZZZ HELP MEEEE #HELP ​
Kryger [21]
-28.403 i believe that’s right but idk
7 0
3 years ago
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Caffeine leaves a child's body at a rate of 15 % per hour . A child drinks a beverage containing How long until half the caffien
Butoxors [25]

Answer:

6.6 HOURS!

Step-by-step explanation:

Hope this helps!

:D:D:D:D

4 0
3 years ago
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