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vlada-n [284]
3 years ago
8

1 . Josie is taking a family vacation and she had to do a last minute grocery shop for the trip. She needs to buy graham cracker

s for S'mores . A 12 once box is priced at $3.49 and a 16 once box is priced at $3.99. Which is the better deal?
2. Todd drives 450 miles in 9 hours. What is his average speed ?

3. A box of 80 Legos cost $4. How much does 1 lego cost ?
Mathematics
1 answer:
Softa [21]3 years ago
7 0
1: 16 is the better deal

2: 50 mph is his average speed

3: One Levi cost 5 cents
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In a random sample of n1 = 162 males, there are x1 = 63 people that have blue eyes. In a random sample of n2 = 333 females, ther
sesenic [268]

Answer:

z = 2.1784 > 1.96,

Reject the null hypothesis

Step-by-step explanation:

For the males:

n1  = 162, x1 = 63

P1 = x 1/ n1 = 0.3889

For the Females:

n2 = 333,

x2 = 97

P 2 = x2/n2

= 0.2913

P 1= P2 Null hypothesis

P 1 is not equal to P 2 alternative hypothesis

Pooled proportion:

P= (x1 + x2) /( n1+ n2)

= (63 + 97) / (162 + 333)= 0.3232

Test statistics :

Z= (p1 - p2) /√p(1-p)× (1/n1 + 1/n2)

0.3889- 0.2913 / √0.3232 × 0.6768 × (1/162 +1/333)

=2.1784

c) Critical value :

Two tailed critical value, z critical = Norm.S .INV (0.05/2) = 1.960

Reject H o if z < -1.96 or if z > 1.96

d) Decision:

z = 2.1784 > 1.96,

Reject the null hypothesis

7 0
3 years ago
Juan tiene 15 años más que Antonio. Dentro 10 años, la edad de Juan será el doble que la de Antonio¿ Cuantos años tienen los dos
adoni [48]
Antonio tiene 5 y Juan tiene 20
6 0
2 years ago
J.k. Rowling and R.L. Stone are both ready hunger games . J.k. Reads 35 pages every 2 hours and R.L. Reads 45 pages every 3 hour
san4es73 [151]

Answer:

The rate of change for each reader is :

For J K Rowling :  17 and a half pages per hour

For R L Stone :  15   pages  per hour

Step-by-step explanation:

Here the reading rate of each reader is given as:

J.K. Reads 35 pages every 2 hours.

So, the number of pages read by J K  in 2 hours  = 35 pages

⇒ The number of pages read per hour  =  35 / 2  = 17 . 5 pages

So, the pages read by J K Rowling in 1 hour is 17 and a half pages.

R L Stone reads 45 pages every 3 hours.

So, the number of pages read by R L  in 3 hours  = 45 pages

⇒ The number of pages read per hour  =  45 / 3  = 15 pages

So, the pages read by R L Stone in 1 hour is 15 pages.

Hence, the rate of change for each reader is :

For J K Rowling :  17 and a half pages  per hour

For R L Stone :  15   pages  per hour

5 0
3 years ago
PLEASE HELP I HAVE 20 MINS TO TURN THIS IN AND I HAVE 3 QUESTIONS LEFT:
dlinn [17]
The answer is 360 miles since he can drive 60 miles per hour so just multiply 60x6 and your answer is 360
3 0
2 years ago
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What is the relationship between capacity and fluid ounces
horrorfan [7]

Capacity is the maximum that the object can hold.

Fluid Ounce is a U.S Customary Unit Measurement for liquid.

Hope it helps! :)

6 0
3 years ago
Read 2 more answers
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