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3 years ago

Help plsss for brainliest

Mathematics

1 answer:

galben [10]3 years ago

8 0

Answer:

1/9

Step-by-step explanation:

(6 * 3)/2 = 9/1 and the reciprocal of that is 1/9

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Jim wants to purchase a used boat. The price is $8,000 cash or 1,200 down and 18 monthly payments of $429.00.Jim decided to fina

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3 years ago

Read 2 more answers

What is the second step in identifying grouped mean?

DochEvi [55]

Answer:

Step-by-step explanation:

Divide the sum obtained in preceding step by total number of frequencies.

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2 years ago

Alexia's bathroom has a tub in the shape of a rectangular prism with a length of 1.5 meters, a width of 0.5 meter, and a height

disa [49]

The answer would be 0.3m^3 . Good luck! :)

5 0

3 years ago

I give brainliest if the answer is correct

nirvana33 [79]

12000 > 3000+25x Or you can write it out as (12000-3000)/25=x

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2 years ago

A random sample of 64 bags of white cheddar popcorn weighed, on average, 5.23 ounces with a standard deviation of 0.24 ounce.

emmasim [6.3K]

Answer:

We conclude that cheddar popcorn weighed less than 5.5 ounces.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ =5.5 ounces

Sample mean, $\bar{x}$ = 5.23 ounces

Sample size, n = 64

Alpha, α = 0.05

Sample standard deviation, σ = 0.24 ounce.

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 5.5\text{ ounces}\\H_A: \mu < 5.5\text{ ounces}$

We use One-tailed z test to perform this hypothesis.

Formula:

$z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n}} }$

Putting all the values, we have

$z_{stat} = \displaystyle\frac{5.23 - 5.5}{\frac{0.24}{\sqrt{64}} } = -9$

Now, $z_{critical} \text{ at 0.05 level of significance } =-1.645$

Since,

$z_{stat} < z_{critical}$

We reject the null hypothesis and accept the alternate hypothesis. Thus, we conclude that cheddar popcorn weighed less than 5.5 ounces.

3 0

3 years ago