1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
barxatty [35]
3 years ago
5

Pedro thinks that he has a special relationship with the number 5. In particular, Pedro thinks that he would roll a 5 with a fai

r 6-sided die more often than you'd expect by chance alone. Suppose p is the true proportion of the time Pedro will roll a 5. (Note you will need to find the probability of getting a four when rolling a fair 6-sided die like we did in chapter 3 so that you can compare p to this value.)
(a) State the null and alternative hypotheses for testing Pedro's claim. (Type the symbol "p" for the population proportion, whichever symbols you need of "<", ">", "=", "not =", ">=", or "<=" and express any values as a fraction e.g. p = 1/3) H0 = Ha =
(b) Now suppose Pedro makes n = 38 rolls, and a 5 comes up 8 times out of the 38 rolls. Determine the P-value of the test: P-value =
(c) Answer the question: Does this sample provide evidence at the 5 percent level that Pedro rolls a 5 more often than you'd expect? (Type: Yes or No)
Mathematics
1 answer:
Naily [24]3 years ago
4 0

Answer:

1.)

H0 : p = 1/6

H1 : p > 1/6

2.)

Pvalue = 0.3029

3.)

No

Step-by-step explanation:

Probability of rolling 5 in a 6-sided die by chance :

Number of 5's = 1

Number of 6 = 6

p = 1/6

The Null hypothesis :

H0 : p = 1/6

Since Pedro thinks he'd roll more than just by chance ;

Alternative hypothesis :

H1 : p > 1/6

Given that :

n = 38 ` x = 5

Phat = x / n = 5 / 38

Teat statistic : (phat - p) / √p(1-p)/n

1-p = 1 - 1/6 = 5/6

phat - p = 5/38 - 1/6 = −0.035087

√p(1-p) /n = (1/6 * 5/6) / 30 = √0.0046296 = 0.0680

Test statistic = −0.035087 / √0.0046296 =

Test statistic = −0.515673

Using the Pvalue calculator :

Pvalue at 0.05 , 1 - tail = 0.3029

Pvalue = 0.3029

Hence, at α = 0.05

Pvalue > α ;

There is no evidence to support Pedro's claim

You might be interested in
10 times as much as blank is 1/10 of 900
ludmilkaskok [199]

9 times 10 is 90.

90 is 1/10 of 900.

The answer is 9.

4 0
3 years ago
**PLEASE HELP MARKING BRAINLIEST**
Tamiku [17]

Answer:

its \: dimensions \: are \to \\\boxed{w = 17.6cm}  \: \boxed{l = 78.4cm}

Step-by-step explanation:

if \to l = 4w + 8 \\ but  \\ \: perimeter(p )= l + w = 96 \\ 4w + 8 + w = 96 \\ 5w + 8 = 96 \\ 5w = 96 - 8 \\ 5w = 88 \\ w =  \frac{88}{8}  \\  \boxed{w = 17.6cm} \boxed{l = 78.4cm}

4 0
3 years ago
Read 2 more answers
0,5.<img src="https://tex.z-dn.net/?f=%5Csqrt%7B0%2C09%7D" id="TexFormula1" title="\sqrt{0,09}" alt="\sqrt{0,09}" align="absmidd
Komok [63]

Answer:

0.21

Step-by-step explanation:

The given expression is :

0.5\times \sqrt{0.09}-2\sqrt{0.05}+\sqrt \frac{1}{4}

We need to solve it.

We know that,

\sqrt{0.09}=0.3\ and\ \sqrt{0.05}=0.223

So,

0.5\times \sqrt{0.09}-2\sqrt{0.05}+\sqrt \frac{1}{4}=0.5\times 0.3-2\times 0.22+0.5\\\\=0.21

or

=\dfrac{21}{100}

So, the value of the given expression is equal to 0.21.

8 0
3 years ago
Please help with math question!!
vredina [299]

Answer:

b. cubic

Step-by-step explanation:

hope this helps :)

6 0
2 years ago
The circumference of a circle 25.12ft. What is the circle’s diameter (take =3.14
marshall27 [118]

Answer:

Diameter = 8 ft

Step-by-step explanation:

To find diameter, we need to work backwards from the formula for circumference of a circle.

Circumference = 2πr

given that π = 3.14

Circumference = 2*3.14*r

25.12 = 2*3.14*r

25.12 = 6.28 * r

4 = r

Radius = 4

Formula for Diameter =

D = 2r

D = 2*4

D = 8

Diameter = 8

Lets Check

Circumference = 2 * 3.14 * 4

Circumference = 25.12

Correct

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

8 0
3 years ago
Other questions:
  • I need to know a system of equations to solve this please
    11·1 answer
  • An equivalent ratio for 2/6
    9·2 answers
  • Mr Jacobson asked her student to write a word problem that describes the graph below
    14·2 answers
  • PLEASE HELP ME!?!?!​
    14·1 answer
  • A single story house is to be built on a rectangular lot 70 feet wide by 100 feet deep. The shorter side of the lot is along the
    13·1 answer
  • The thickness of each eraser is 17mm. A stack of 230
    6·2 answers
  • The length of a pole in a picture is 4 inches. The scale of the picture was given to be 1 inch x 13 inches. What would be the ac
    15·1 answer
  • Perimeter of ABC is 67.
    12·1 answer
  • Which of the following is not true about cluster sampling?
    11·2 answers
  • My digits are consecutive numbers.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!