Find probability that all children are boys
Suppose that probablity of birth of the child of the particular sex is 50%. In family with four children, find probability that i) all children are boys, ii) all children are same sex, and iii) there is at least one boy?
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The current sensitive circuit in a portable DVD player includes of a DC power source and a light bulb which is employed as an indicator light.
When the wire is detached and a part of it is tightly wound to a loop of many coils and the wire is then rejoined to the generator, will the measured current through the wire be greater, lesser, or the same as it was before the wire was coiled? Ex
Determine probablitity that the sale will be made with i) all six contacts ii) none of contacts c)at least 1 vehicle is available at the given time?
Determine the minimum diameter of the platform which would prevent the jewel from being seen. Suppose the water surface is calm, the index of refraction of water is 1.33, and the depth of water is around 2.00 m.
In family with four children, find probability that i) all children are boys, ii) all children are same sex, and iii) there is at least one boy?
A spherical concave mirror consists of a radius of 20 cm. A real object is positioned on the optical axis 15 cm from the mirror. i) Calculate where the image is and explain it (real or virtual, upright or inverted, enlarged or diminished).
A diverging thin lens consists of a focal length of 20 cm. A virtual object is positioned on the optical axis 25 cm from the lens. Create a ray tracing diagram. (Try to sketch it carefully to scale).
A small moon of a big planet consists of an orbital period of around 1.78 days and the orbital radius of 4.77 x 105 km. From these data, find out the mass of the planet.
Through how many revolutions does the tub turn through this 23 s interval? Suppose constant angular acceleration while it is beginning and stopping.
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