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klasskru [66]
3 years ago
9

1. At the local baseball diamond, the distance from home base to second base is 100 feet.

Mathematics
1 answer:
eduard3 years ago
4 0

Answer:

Part A:50ft.

Part B:200ft.

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Megan was painting on a rectangular canvas, and needed a frame for it. The length of the frame is 15 inches and the width is 10
siniylev [52]

Answer:

50 inches

Step-by-step explanation:

Hi there!

P=2l+2w where l is the length of the rectangle and w is the width of the rectangle

Plug in the length (15 inches) and width (10 inches)

P=2(15)+2(10)\\P=30+20\\P=50

Therefore, the perimeter of the frame is 50 inches.

I hope this helps!

8 0
2 years ago
Snapdragon plants have a gene that determines the presence of chlorophyll. The dominant allele (C) causes the plant to make chlo
AleksAgata [21]

Answer: i)For X = (0,1) then P(x) = (1/3, 2/3)

              ii) Then p=(2/3) as n=8

              iii) 0.06828

Step-by-step explanation:

Use binomial distribution:

Probability of being yellow (by having 1 recessive allele) is 2/3. This is a binomial distribution with p=2/3. And since there are 8 selections, our n is 8. So p=(2/3), n=8.

Recall that in binomial distribution P(X=x) = C(n,x) × p^x × (1-p)^n-x.

So for 3 out of 8, it means x=3 and n=8.  

Our equation becomes P(exactly three Snapdragon are yellow) = P(X=3) = (8C3) × (2/3)³ × (1/3)5 = 0.06828

7 0
3 years ago
The brand manager for a brand toothpaste must plan a campaign designed to increase brand recognition. He wants to first determin
bulgar [2K]

We need to find out how many adults must the brand manager survey in order to be 90% confident that his estimate is within five percentage points of the true population percentage.

From the given data we know that our confidence level is 90%. From Standard Normal Table we know that the critical level at 90% confidence level is 1.645. In other words, Z_{Critical}=1.645.

We also know that E=5% or E=0.05

Also, since, \hat{p} is not given, we will assume that \hat{p}=0.5. This is because, the formula that we use will have \hat{p}(1-\hat{p}) in the expression and that will be maximum only when \hat{p}=0.5. (For any other value of \hat{p}, we will get a value less than 0.25. For example if, \hat{p} is 0.4, then 1-\hat{p}=0.6 and thus, \hat{p}(1-\hat{p})=0.24.).

We will now use the formula

n=(\frac{Z_{Critical}}{E})^2\hat{p}(1-\hat{p})

We will now substitute all the data that we have and we will get

n=(\frac{1.645}{0.05})^2\times0.5(1-0.5)

n=(32.9)^2\times0.25

n=270.6025

which can approximated to n=271.

So, the brand manager needs a sample size of 271

3 0
3 years ago
On a science exam, Jackson scored 85 out of 100 possible points. There were 20 questions on the exam. Each question was worth th
d1i1m1o1n [39]
Do 85÷20 and then add it to 100
4 0
3 years ago
Four Friends went scuba diving today. Ali dove 70 feet, Tim went down 50 feet. Carl dove 65 feet, and Brenda reached 48 feet bel
Troyanec [42]
Brenda, Tim, Carl, And Ali
6 0
3 years ago
Read 2 more answers
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