3is (4,-5) a solution of the graphed inequality?
Choose 1 answer:
Yes
0
No

Answers

Answer 1

Answer: Yesssssssssssssssssssssss

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The test statistic of zequalsnegative 2.40 is obtained when testing the claim that less than 0.32. a. Using a significance level of alphaequals0.10, find the critical value(s). b. Should we reject Upper H 0 or should we fail to reject Upper H 0

Answers

Answer:

a) Critical value = -1.285

b) We should reject null hypothesis that the mean equals 0.32

Step-by-step explanation:

Given that the statistic of z equals negative 2.40 is obtained when testing the claim that less than 0.32

i.e. for hypotheses

$H_0: \bar = 0.32\nH_a: \bar x <0.32\n$

(one tailed test at 10% significance level)

Z critical value for 90% one tailed = -1.285

Since our test statistic is less than -1.285 we reject null hypothesis

a) Critical value = -1.285

b) We should reject null hypothesis that the mean equals 0.32

Hello I am needing help on this word problem please. I think it's 30 but I'm questioning myself

Answers

Solution:

Since 5 pounds of meat will feed about 26 people.

Thus;

$\begin{gathered} (5)/(26)lb\text{ would feed 1 person} \n \n =0.1923 \end{gathered}$

If she is expecting 156 people, she should prepare;

$\begin{gathered} (0.1923*156)lb\text{ of meat} \n \n \approx30lb \end{gathered}$

ANSWER: 30lb

Slove 3 2/3 ÷ 1 1/4

Answers

3 2/3 ÷ 1 1/4

Make the two mixed fractions into an improper fraction

Denominator times whole number. 3*3=9. Add 9 with the numerator. 9+2=11

1*4=4 . 4+1=5

11/3 ÷ 5/4

Flip over the second fraction only when dividing

11/3 *4/5

Multiply the numerator together. Multiply the denominator together.

11*4=44

3*5=15

44/15 or 2 14/15

Answer: 44/15 or 2 14/15

Step-by-step explanation:

Change into improper fractions:

$(11)/(3) / (5)/(4)$

Change to a multiplication problem:

$(11)/(3) * (4)/(5)$

Simplify:

$(44)/(15)$

$2 (14)/(15)$

or 2.93333333333

Depends on how the question wants you to put it. You can put it as an improper fraction, a proper fraction, or as a decimal.

Hope this helped ; )

What is 5\8 times 16

Answers

5/8*16
the answer is 10

Can you show me how to solve this problem: a. ) 16=4 to the 3rd power x -7

Answers

We assume you mean
$\ \ \display{16=4^(3x-7)}$
This is solved by writing 16 as a power of 4 and equating exponents.
$\ 4^(2)=4^(3x-7)$
2 = 3x - 7 . . . . . equate exponents
9 = 3x . . . . . add 7
3 = x . . . . . divide by 3

The solution is x = 3.

Rod is a drummer who purchases his drumsticks online. When practicing with the newest pair, he notices they feel heavier than usual. When he weighs one of the sticks, he finds that it is 2.66 oz. The manufacturer's website states that the average weight of each stick is 2.25 oz with a standard deviation of 0.17 oz. Assume that the weight of the drumsticks is normally distributed.What is the probability of the stick's weight being 2.66 oz or greater